79857204 has 24 divisors (see below), whose sum is σ = 212952768. Its totient is φ = 22816320.

The previous prime is 79857187. The next prime is 79857221. The reversal of 79857204 is 40275897.

It is an interprime number because it is at equal distance from previous prime (79857187) and next prime (79857221).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 475257 + ... + 475424.

It is an arithmetic number, because the mean of its divisors is an integer number (8873032).

Almost surely, 2^79857204 is an apocalyptic number.

It is an amenable number.

79857204 is an abundant number, since it is smaller than the sum of its proper divisors (133095564).

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

79857204 is a wasteful number, since it uses less digits than its factorization.

79857204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950695 (or 950693 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 79857204 is about 8936.2858056354. The cubic root of 79857204 is about 430.6304147721.

The spelling of 79857204 in words is "seventy-nine million, eight hundred fifty-seven thousand, two hundred four".