77912016 has 80 divisors (see below), whose sum is σ = 247734144. Its totient is φ = 20547072.

The previous prime is 77911997. The next prime is 77912099. The reversal of 77912016 is 61021977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4551 + ... + 13286.

Almost surely, 2^77912016 is an apocalyptic number.

It is an amenable number.

77912016 is an abundant number, since it is smaller than the sum of its proper divisors (169822128).

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

77912016 is a wasteful number, since it uses less digits than its factorization.

77912016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17868 (or 17862 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 77912016 is about 8826.7783477325. The cubic root of 77912016 is about 427.1051557603.

The spelling of 77912016 in words is "seventy-seven million, nine hundred twelve thousand, sixteen".