Names of 78
| Nominal | 78 |
| Cardinal | seventy-eight |
| Ordinal | 78th |
| This number as US currency | seventy-eight dollars |
| Is 78 an odd number? | 78 is NOT an odd number |
| Is 78 an even number? | 78 is an even number |
| Is 78 a palindrome? | 78 is NOT a palindrome number |
| Is 78 a triangle number? | 78 is a triangle number |
78 in other Bases
| Base 2 (Binary) | 10011102 |
| Base 3 (Ternary) | 22203 |
| Base 4 (Quaternary) | 10324 |
| Base 5 (Quinary) | 3035 |
| Base 6 (Senary) | 2106 |
| Base 8 (Octal) | 1168 |
| Base 12 (Duodecimal) | 6612 |
| Base 16 (Hexadecimal) | 4E16 |
| Base 20 (Vigesimal) | 3I20 |
Primes and Factors tests for 78
| Is 78 a Prime Number? | 78 is NOT a prime |
| Is 78 a perfect number? | 78 is NOT a perfect number |
| Is 78 a Mersenne Prime? | 78 is NOT a Mersenne prime |
| Is 78 a Fermat Prime? | 78 is NOT a Fermat prime |
| Is 78 a Fibonacci Prime? | 78 is NOT a Fibonacci prime |
| Is 78 a Partition Prime? | 78 is NOT a Partition prime |
| Is 78 a Pell Prime? | 78 is NOT a Pell prime |
| Prime Factors | Prime factors of 78 |
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78 in other Numerals
| 78 in Roman Numeral | LXXVIII |
| 78 in Chinese Numeral | 柒拾捌 |
| 78 in Egyptian Numeral | 𓎌𓐁 |
| 78 in Babylonian Numeral |   |
Roots and stuff for 78
| Is 78 a square number? | 78 is NOT a square number |
| Is 78 a cube number? | 78 is NOT a cube number |
| Square root of the number 78 | 8.8317608663278 |
| Cube root of the number 78 | 4.2726586816979 |
Recreational math for 78
| Number 78 reversed | 87 |
| Sum of the digits | 15 |
| No of digits | 2 |