79559708831 has 4 divisors (see below), whose sum is σ = 79580866464. Its totient is φ = 79538551200.

The previous prime is 79559708803. The next prime is 79559708863. The reversal of 79559708831 is 13880795597.

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

It is a cyclic number.

It is not a de Polignac number, because 79559708831 - 2¹⁴ = 79559692447 is a prime.

It is a super-2 number, since 2×79559708831² (a number of 23 digits) 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 (79559708801) 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, 10573175 + ... + 10580696.

It is an arithmetic number, because the mean of its divisors is an integer number (19895216616).

Almost surely, 2^79559708831 is an apocalyptic number.

79559708831 is a deficient number, since it is larger than the sum of its proper divisors (21157633).

79559708831 is a wasteful number, since it uses less digits than its factorization.

79559708831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21157632.

The product of its (nonzero) digits is 19051200, while the sum is 62.

The spelling of 79559708831 in words is "seventy-nine billion, five hundred fifty-nine million, seven hundred eight thousand, eight hundred thirty-one".