88100117581 has 8 divisors (see below), whose sum is σ = 104157774720. Its totient is φ = 72910441968.

The previous prime is 88100117563. The next prime is 88100117591. The reversal of 88100117581 is 18571100188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88100117581 - 2³¹ = 85952633933 is a prime.

It is a super-2 number, since 2×88100117581² (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 (88100117591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216995161 + ... + 216995566.

It is an arithmetic number, because the mean of its divisors is an integer number (13019721840).

Almost surely, 2^88100117581 is an apocalyptic number.

It is an amenable number.

88100117581 is a deficient number, since it is larger than the sum of its proper divisors (16057657139).

88100117581 is a wasteful number, since it uses less digits than its factorization.

88100117581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433990763.

The product of its (nonzero) digits is 17920, while the sum is 40.

The spelling of 88100117581 in words is "eighty-eight billion, one hundred million, one hundred seventeen thousand, five hundred eighty-one".