79040331 has 12 divisors (see below), whose sum is σ = 116324208. Its totient is φ = 51699024.

The previous prime is 79040329. The next prime is 79040363. The reversal of 79040331 is 13304097.

It is not a de Polignac number, because 79040331 - 2¹ = 79040329 is a prime.

It is a super-2 number, since 2×79040331² = 12494747849179122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79040295 and 79040304.

It is not an unprimeable number, because it can be changed into a prime (79040231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82375 + ... + 83328.

It is an arithmetic number, because the mean of its divisors is an integer number (9693684).

Almost surely, 2^79040331 is an apocalyptic number.

79040331 is a deficient number, since it is larger than the sum of its proper divisors (37283877).

79040331 is a wasteful number, since it uses less digits than its factorization.

79040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165762 (or 165759 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 79040331 is about 8890.4629238302. The cubic root of 79040331 is about 429.1570487974.

The spelling of 79040331 in words is "seventy-nine million, forty thousand, three hundred thirty-one".