79597138 has 16 divisors (see below), whose sum is σ = 123393600. Its totient is φ = 38479536.

The previous prime is 79597097. The next prime is 79597153. The reversal of 79597138 is 83179597.

It is a junction number, because it is equal to n+sod(n) for n = 79597091 and 79597100.

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, 8763 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (7712100).

Almost surely, 2^79597138 is an apocalyptic number.

79597138 is a deficient number, since it is larger than the sum of its proper divisors (43796462).

79597138 is a wasteful number, since it uses less digits than its factorization.

79597138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801.

The product of its digits is 476280, while the sum is 49.

The square root of 79597138 is about 8921.7228156898. The cubic root of 79597138 is about 430.1624372777.

The spelling of 79597138 in words is "seventy-nine million, five hundred ninety-seven thousand, one hundred thirty-eight".