79888020 has 48 divisors (see below), whose sum is σ = 224138880. Its totient is φ = 21260416.

The previous prime is 79888009. The next prime is 79888033. The reversal of 79888020 is 2088897.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38161 + ... + 40199.

It is an arithmetic number, because the mean of its divisors is an integer number (4669560).

Almost surely, 2^79888020 is an apocalyptic number.

It is an amenable number.

79888020 is an abundant number, since it is smaller than the sum of its proper divisors (144250860).

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

79888020 is a wasteful number, since it uses less digits than its factorization.

79888020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 79888020 is about 8938.0098455976. The cubic root of 79888020 is about 430.6857994654.

The spelling of 79888020 in words is "seventy-nine million, eight hundred eighty-eight thousand, twenty".