79796831 has 4 divisors (see below), whose sum is σ = 79871064. Its totient is φ = 79722600.

The previous prime is 79796819. The next prime is 79796833. The reversal of 79796831 is 13869797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13869797 = 127 ⋅109211.

It is a cyclic number.

It is not a de Polignac number, because 79796831 - 2¹⁴ = 79780447 is a prime.

It is a super-2 number, since 2×79796831² = 12735068475285122, 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 79796831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79796833) 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, 35480 + ... + 37661.

It is an arithmetic number, because the mean of its divisors is an integer number (19967766).

Almost surely, 2^79796831 is an apocalyptic number.

79796831 is a deficient number, since it is larger than the sum of its proper divisors (74233).

79796831 is a wasteful number, since it uses less digits than its factorization.

79796831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74232.

The product of its digits is 571536, while the sum is 50.

The square root of 79796831 is about 8932.9071975477. The cubic root of 79796831 is about 430.5218668340.

The spelling of 79796831 in words is "seventy-nine million, seven hundred ninety-six thousand, eight hundred thirty-one".