88013631 has 8 divisors (see below), whose sum is σ = 117864880. Its totient is φ = 58419072.

The previous prime is 88013623. The next prime is 88013633. The reversal of 88013631 is 13631088.

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

It is not a de Polignac number, because 88013631 - 2³ = 88013623 is a prime.

It is a super-2 number, since 2×88013631² = 15492798483608322, which 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 (88013633) 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, 63370 + ... + 64743.

It is an arithmetic number, because the mean of its divisors is an integer number (14733110).

Almost surely, 2^88013631 is an apocalyptic number.

88013631 is a deficient number, since it is larger than the sum of its proper divisors (29851249).

88013631 is a wasteful number, since it uses less digits than its factorization.

88013631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128345.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 88013631 is about 9381.5580262556. The cubic root of 88013631 is about 444.8189828923.

The spelling of 88013631 in words is "eighty-eight million, thirteen thousand, six hundred thirty-one".