86612400723438 has 24 divisors (see below), whose sum is σ = 187660683592200. Its totient is φ = 28870726083504.

The previous prime is 86612400723383. The next prime is 86612400723449. The reversal of 86612400723438 is 83432700421668.

86612400723438 is a `hidden beast` number, since 8 + 66 + 124 + 0 + 0 + 7 + 23 + 438 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1264948 + ... + 13222136.

It is an arithmetic number, because the mean of its divisors is an integer number (7819195149675).

Almost surely, 2^{86612400723438} is an apocalyptic number.

86612400723438 is an abundant number, since it is smaller than the sum of its proper divisors (101048282868762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86612400723438 is a wasteful number, since it uses less digits than its factorization.

86612400723438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359616 (or 12359613 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 86612400723438 in words is "eighty-six trillion, six hundred twelve billion, four hundred million, seven hundred twenty-three thousand, four hundred thirty-eight".