78976684 has 12 divisors (see below), whose sum is σ = 138272400. Its totient is φ = 39470288.

The previous prime is 78976669. The next prime is 78976691. The reversal of 78976684 is 48667987.

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 3 ways as a sum of consecutive naturals, for example, 12222 + ... + 17530.

It is an arithmetic number, because the mean of its divisors is an integer number (11522700).

Almost surely, 2^78976684 is an apocalyptic number.

It is an amenable number.

78976684 is a deficient number, since it is larger than the sum of its proper divisors (59295716).

78976684 is a wasteful number, since it uses less digits than its factorization.

78976684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032 (or 9030 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 78976684 is about 8886.8826930482. The cubic root of 78976684 is about 429.0418253695.

The spelling of 78976684 in words is "seventy-eight million, nine hundred seventy-six thousand, six hundred eighty-four".