76865988 has 48 divisors (see below), whose sum is σ = 186712064. Its totient is φ = 24585120.

The previous prime is 76865941. The next prime is 76866017. The reversal of 76865988 is 88956867.

It is a super-2 number, since 2×76865988² = 11816760222432288, which contains 22 as substring.

Its product of digits (5806080) is a multiple of the sum of its prime factors (1792).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46431 + ... + 48057.

Almost surely, 2^76865988 is an apocalyptic number.

It is an amenable number.

76865988 is an abundant number, since it is smaller than the sum of its proper divisors (109846076).

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

76865988 is a wasteful number, since it uses less digits than its factorization.

76865988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The square root of 76865988 is about 8767.3250196397. The cubic root of 76865988 is about 425.1851336447.

The spelling of 76865988 in words is "seventy-six million, eight hundred sixty-five thousand, nine hundred eighty-eight".