79582971 has 32 divisors (see below), whose sum is σ = 117113920. Its totient is φ = 47775744.

The previous prime is 79582969. The next prime is 79582991. The reversal of 79582971 is 17928597.

It is not a de Polignac number, because 79582971 - 2¹ = 79582969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79582971.

It is not an unprimeable number, because it can be changed into a prime (79582961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412251 + ... + 412443.

It is an arithmetic number, because the mean of its divisors is an integer number (3659810).

Almost surely, 2^79582971 is an apocalyptic number.

79582971 is a deficient number, since it is larger than the sum of its proper divisors (37530949).

79582971 is a wasteful number, since it uses less digits than its factorization.

79582971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its digits is 317520, while the sum is 48.

The square root of 79582971 is about 8920.9288193551. The cubic root of 79582971 is about 430.1369151170.

The spelling of 79582971 in words is "seventy-nine million, five hundred eighty-two thousand, nine hundred seventy-one".