88656631 has 6 divisors (see below), whose sum is σ = 103131240. Its totient is φ = 75991356.

The previous prime is 88656613. The next prime is 88656643. The reversal of 88656631 is 13665688.

It is not a de Polignac number, because 88656631 - 2²⁵ = 55102199 is a prime.

It is a super-2 number, since 2×88656631² = 15719996440540322, 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 (88656671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 904611 + ... + 904708.

It is an arithmetic number, because the mean of its divisors is an integer number (17188540).

Almost surely, 2^88656631 is an apocalyptic number.

88656631 is a deficient number, since it is larger than the sum of its proper divisors (14474609).

88656631 is a wasteful number, since it uses less digits than its factorization.

88656631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809333 (or 1809326 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 88656631 is about 9415.7650246807. The cubic root of 88656631 is about 445.8995916392.

The spelling of 88656631 in words is "eighty-eight million, six hundred fifty-six thousand, six hundred thirty-one".