77 (number)

76 77 78
Cardinalseventy-seven
Ordinal77th
(seventy-seventh)
Factorization7 × 11
Divisors1, 7, 11, 77
Greek numeralΟΖ´
Roman numeralLXXVII, lxxvii
Binary10011012
Ternary22123
Senary2056
Octal1158
Duodecimal6512
Hexadecimal4D16

77 (seventy-seven) is the natural number following 76 and preceding 78. Seventy-seven is the smallest positive integer requiring five syllables in English.