86605630138864 has 20 divisors (see below), whose sum is σ = 167799862532160. Its totient is φ = 43302439808000.

The previous prime is 86605630138843. The next prime is 86605630138903. The reversal of 86605630138864 is 46883103650668.

It is a junction number, because it is equal to n+sod(n) for n = 86605630138796 and 86605630138805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21545137 + ... + 25246864.

It is an arithmetic number, because the mean of its divisors is an integer number (8389993126608).

Almost surely, 2^{86605630138864} is an apocalyptic number.

It is an amenable number.

86605630138864 is a deficient number, since it is larger than the sum of its proper divisors (81194232393296).

86605630138864 is a wasteful number, since it uses less digits than its factorization.

86605630138864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46907688 (or 46907682 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 64.

The spelling of 86605630138864 in words is "eighty-six trillion, six hundred five billion, six hundred thirty million, one hundred thirty-eight thousand, eight hundred sixty-four".