79406231 has 4 divisors (see below), whose sum is σ = 79468752. Its totient is φ = 79343712.

The previous prime is 79406213. The next prime is 79406273. The reversal of 79406231 is 13260497.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79406231 is a prime.

It is a super-2 number, since 2×79406231² = 12610699043250722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79406731) 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, 29315 + ... + 31908.

It is an arithmetic number, because the mean of its divisors is an integer number (19867188).

Almost surely, 2^79406231 is an apocalyptic number.

79406231 is a deficient number, since it is larger than the sum of its proper divisors (62521).

79406231 is a wasteful number, since it uses less digits than its factorization.

79406231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62520.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 79406231 is about 8911.0173942149. The cubic root of 79406231 is about 429.8182592351.

The spelling of 79406231 in words is "seventy-nine million, four hundred six thousand, two hundred thirty-one".