78976924 has 24 divisors (see below), whose sum is σ = 149083088. Its totient is φ = 36391680.

The previous prime is 78976913. The next prime is 78976957. The reversal of 78976924 is 42967987.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 60244 + ... + 61540.

Almost surely, 2^78976924 is an apocalyptic number.

It is an amenable number.

78976924 is a deficient number, since it is larger than the sum of its proper divisors (70106164).

78976924 is a wasteful number, since it uses less digits than its factorization.

78976924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2483 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 78976924 is about 8886.8961960856. The cubic root of 78976924 is about 429.0422599701.

The spelling of 78976924 in words is "seventy-eight million, nine hundred seventy-six thousand, nine hundred twenty-four".