86409813211656 has 64 divisors (see below), whose sum is σ = 236674556838720. Its totient is φ = 26072410782720.

The previous prime is 86409813211567. The next prime is 86409813211721. The reversal of 86409813211656 is 65611231890468.

It is a self number, because there is not a number n which added to its sum of digits gives 86409813211656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702320245 + ... + 702443268.

It is an arithmetic number, because the mean of its divisors is an integer number (3698039950605).

Almost surely, 2^{86409813211656} is an apocalyptic number.

It is an amenable number.

86409813211656 is an abundant number, since it is smaller than the sum of its proper divisors (150264743627064).

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

86409813211656 is a wasteful number, since it uses less digits than its factorization.

86409813211656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404763766 (or 1404763762 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 86409813211656 in words is "eighty-six trillion, four hundred nine billion, eight hundred thirteen million, two hundred eleven thousand, six hundred fifty-six".