79888522231 has 16 divisors (see below), whose sum is σ = 92281553728. Its totient is φ = 67744512000.

The previous prime is 79888522223. The next prime is 79888522367. The reversal of 79888522231 is 13222588897.

It is a 11-Lehmer number, since φ(79888522231) divides (79888522231-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 79888522231 - 2³ = 79888522223 is a prime.

It is a super-2 number, since 2×79888522231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79888532231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81181 + ... + 407881.

It is an arithmetic number, because the mean of its divisors is an integer number (5767597108).

Almost surely, 2^79888522231 is an apocalyptic number.

79888522231 is the 163186-th hex number.

79888522231 is a deficient number, since it is larger than the sum of its proper divisors (12393031497).

79888522231 is a wasteful number, since it uses less digits than its factorization.

79888522231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327082.

The product of its digits is 3870720, while the sum is 55.

The spelling of 79888522231 in words is "seventy-nine billion, eight hundred eighty-eight million, five hundred twenty-two thousand, two hundred thirty-one".