79077864 has 32 divisors (see below), whose sum is σ = 206291520. Its totient is φ = 25213056.

The previous prime is 79077853. The next prime is 79077871. The reversal of 79077864 is 46877097.

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 7 ways as a sum of consecutive naturals, for example, 71077 + ... + 72180.

It is an arithmetic number, because the mean of its divisors is an integer number (6446610).

Almost surely, 2^79077864 is an apocalyptic number.

It is an amenable number.

79077864 is an abundant number, since it is smaller than the sum of its proper divisors (127213656).

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

79077864 is a wasteful number, since it uses less digits than its factorization.

79077864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143289 (or 143285 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 79077864 is about 8892.5735307615. The cubic root of 79077864 is about 429.2249677208.

The spelling of 79077864 in words is "seventy-nine million, seventy-seven thousand, eight hundred sixty-four".