88239520131 has 16 divisors (see below), whose sum is σ = 135052564224. Its totient is φ = 50200454304.

The previous prime is 88239520099. The next prime is 88239520139. The reversal of 88239520131 is 13102593288.

It is a happy number.

It is not a de Polignac number, because 88239520131 - 2⁵ = 88239520099 is a prime.

It is a super-2 number, since 2×88239520131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88239520139) 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, 9250480 + ... + 9260013.

It is an arithmetic number, because the mean of its divisors is an integer number (8440785264).

Almost surely, 2^88239520131 is an apocalyptic number.

88239520131 is a deficient number, since it is larger than the sum of its proper divisors (46813044093).

88239520131 is a wasteful number, since it uses less digits than its factorization.

88239520131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18510730.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 88239520131 in words is "eighty-eight billion, two hundred thirty-nine million, five hundred twenty thousand, one hundred thirty-one".