86600636631 has 12 divisors (see below), whose sum is σ = 125098026352. Its totient is φ = 57729964896.

The previous prime is 86600636627. The next prime is 86600636641. The reversal of 86600636631 is 13663600668.

It is a happy number.

86600636631 is a `hidden beast` number, since 8 + 6 + 6 + 0 + 0 + 6 + 3 + 6 + 631 = 666.

It is not a de Polignac number, because 86600636631 - 2² = 86600636627 is a prime.

It is a super-2 number, since 2×86600636631² (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 (86600636611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167806 + ... + 448731.

Almost surely, 2^86600636631 is an apocalyptic number.

86600636631 is a deficient number, since it is larger than the sum of its proper divisors (38497389721).

86600636631 is a wasteful number, since it uses less digits than its factorization.

86600636631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632150 (or 632147 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 86600636631 in words is "eighty-six billion, six hundred million, six hundred thirty-six thousand, six hundred thirty-one".