79957179 has 8 divisors (see below), whose sum is σ = 118455120. Its totient is φ = 53304768.

The previous prime is 79957169. The next prime is 79957181. The reversal of 79957179 is 97175997.

It is not a de Polignac number, because 79957179 - 2⁸ = 79956923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79957139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480662 + ... + 1480715.

It is an arithmetic number, because the mean of its divisors is an integer number (14806890).

Almost surely, 2^79957179 is an apocalyptic number.

79957179 is a deficient number, since it is larger than the sum of its proper divisors (38497941).

79957179 is a wasteful number, since it uses less digits than its factorization.

79957179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961386 (or 2961380 counting only the distinct ones).

The product of its digits is 1250235, while the sum is 54.

The square root of 79957179 is about 8941.8778229184. The cubic root of 79957179 is about 430.8100450789.

The spelling of 79957179 in words is "seventy-nine million, nine hundred fifty-seven thousand, one hundred seventy-nine".