77676792 has 32 divisors (see below), whose sum is σ = 194492880. Its totient is φ = 25852160.

The previous prime is 77676749. The next prime is 77676799. The reversal of 77676792 is 29767677.

It is a super-2 number, since 2×77676792² = 12067368030822528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77676799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16138 + ... + 20390.

Almost surely, 2^77676792 is an apocalyptic number.

It is an amenable number.

77676792 is an abundant number, since it is smaller than the sum of its proper divisors (116816088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77676792 is a wasteful number, since it uses less digits than its factorization.

77676792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023 (or 5019 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 51.

The square root of 77676792 is about 8813.4438217986. The cubic root of 77676792 is about 426.6748983872.

The spelling of 77676792 in words is "seventy-seven million, six hundred seventy-six thousand, seven hundred ninety-two".