77676516 has 24 divisors (see below), whose sum is σ = 201383840. Its totient is φ = 25892136.

The previous prime is 77676499. The next prime is 77676583. The reversal of 77676516 is 61567677.

77676516 is a `hidden beast` number, since 77 + 67 + 6 + 516 = 666.

It is a super-2 number, since 2×77676516² = 12067282275796512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359506 + ... + 359721.

Almost surely, 2^77676516 is an apocalyptic number.

It is an amenable number.

77676516 is an abundant number, since it is smaller than the sum of its proper divisors (123707324).

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

77676516 is a wasteful number, since it uses less digits than its factorization.

77676516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719240 (or 719232 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 77676516 is about 8813.4281638872. The cubic root of 77676516 is about 426.6743930350.

The spelling of 77676516 in words is "seventy-seven million, six hundred seventy-six thousand, five hundred sixteen".