88104111631 has 4 divisors (see below), whose sum is σ = 88117575352. Its totient is φ = 88090647912.

The previous prime is 88104111587. The next prime is 88104111661. The reversal of 88104111631 is 13611140188.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88104111631 is a prime.

It is a super-2 number, since 2×88104111631² (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 (88104111661) 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, 6722040 + ... + 6735133.

It is an arithmetic number, because the mean of its divisors is an integer number (22029393838).

Almost surely, 2^88104111631 is an apocalyptic number.

88104111631 is a deficient number, since it is larger than the sum of its proper divisors (13463721).

88104111631 is a wasteful number, since it uses less digits than its factorization.

88104111631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463720.

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 88104111631 in words is "eighty-eight billion, one hundred four million, one hundred eleven thousand, six hundred thirty-one".