79365531 has 8 divisors (see below), whose sum is σ = 120937984. Its totient is φ = 45351720.

The previous prime is 79365523. The next prime is 79365551. The reversal of 79365531 is 13556397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79365531 - 2³ = 79365523 is a prime.

It is a super-2 number, since 2×79365531² = 12597775021823922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79365531.

It is not an unprimeable number, because it can be changed into a prime (79365551) 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, 1889635 + ... + 1889676.

It is an arithmetic number, because the mean of its divisors is an integer number (15117248).

Almost surely, 2^79365531 is an apocalyptic number.

79365531 is a deficient number, since it is larger than the sum of its proper divisors (41572453).

79365531 is a wasteful number, since it uses less digits than its factorization.

79365531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779321.

The product of its digits is 85050, while the sum is 39.

The square root of 79365531 is about 8908.7334116585. The cubic root of 79365531 is about 429.7448116286.

The spelling of 79365531 in words is "seventy-nine million, three hundred sixty-five thousand, five hundred thirty-one".