86318850564 has 36 divisors (see below), whose sum is σ = 221771843020. Its totient is φ = 28301261760.

The previous prime is 86318850539. The next prime is 86318850571. The reversal of 86318850564 is 46505881368.

86318850564 is a `hidden beast` number, since 8 + 63 + 18 + 8 + 5 + 0 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16486560000 + 69832290564 = 128400^2 + 264258^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 86318850564.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19651459 + ... + 19655850.

Almost surely, 2^86318850564 is an apocalyptic number.

It is an amenable number.

86318850564 is an abundant number, since it is smaller than the sum of its proper divisors (135452992456).

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

86318850564 is a wasteful number, since it uses less digits than its factorization.

86318850564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39307380 (or 39307375 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 86318850564 in words is "eighty-six billion, three hundred eighteen million, eight hundred fifty thousand, five hundred sixty-four".