79110431 has 4 divisors (see below), whose sum is σ = 79425864. Its totient is φ = 78795000.

The previous prime is 79110379. The next prime is 79110439. The reversal of 79110431 is 13401197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13401197 = 331 ⋅40487.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79110431 is a prime.

It is a super-2 number, since 2×79110431² = 12516920586011522, 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 79110431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79110439) 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, 157340 + ... + 157841.

It is an arithmetic number, because the mean of its divisors is an integer number (19856466).

Almost surely, 2^79110431 is an apocalyptic number.

79110431 is a deficient number, since it is larger than the sum of its proper divisors (315433).

79110431 is a wasteful number, since it uses less digits than its factorization.

79110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315432.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 79110431 is about 8894.4044769731. The cubic root of 79110431 is about 429.2838828639.

The spelling of 79110431 in words is "seventy-nine million, one hundred ten thousand, four hundred thirty-one".