79539884 has 12 divisors (see below), whose sum is σ = 139363224. Its totient is φ = 39721824.

The previous prime is 79539883. The next prime is 79539919. The reversal of 79539884 is 48893597.

It is not an unprimeable number, because it can be changed into a prime (79539883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8174 + ... + 15029.

It is an arithmetic number, because the mean of its divisors is an integer number (11613602).

Almost surely, 2^79539884 is an apocalyptic number.

It is an amenable number.

79539884 is a deficient number, since it is larger than the sum of its proper divisors (59823340).

79539884 is a wasteful number, since it uses less digits than its factorization.

79539884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24064 (or 24062 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 79539884 is about 8918.5135532778. The cubic root of 79539884 is about 430.0592743239.

The spelling of 79539884 in words is "seventy-nine million, five hundred thirty-nine thousand, eight hundred eighty-four".