79368231 has 4 divisors (see below), whose sum is σ = 105824312. Its totient is φ = 52912152.

The previous prime is 79368229. The next prime is 79368281. The reversal of 79368231 is 13286397.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 79368231 - 2¹ = 79368229 is a prime.

It is a super-2 number, since 2×79368231² = 12598632184138722, 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 79368231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79368221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13228036 + ... + 13228041.

It is an arithmetic number, because the mean of its divisors is an integer number (26456078).

Almost surely, 2^79368231 is an apocalyptic number.

79368231 is a deficient number, since it is larger than the sum of its proper divisors (26456081).

79368231 is a wasteful number, since it uses less digits than its factorization.

79368231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26456080.

The product of its digits is 54432, while the sum is 39.

The square root of 79368231 is about 8908.8849470627. The cubic root of 79368231 is about 429.7496848518.

The spelling of 79368231 in words is "seventy-nine million, three hundred sixty-eight thousand, two hundred thirty-one".