86685725088 has 36 divisors (see below), whose sum is σ = 246512531538. Its totient is φ = 28895241600.

The previous prime is 86685725069. The next prime is 86685725089. The reversal of 86685725088 is 88052758668.

86685725088 is a `hidden beast` number, since 8 + 6 + 6 + 8 + 572 + 50 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74260610064 + 12425115024 = 272508^2 + 111468^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86685725089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150495763 + ... + 150496338.

Almost surely, 2^86685725088 is an apocalyptic number.

It is an amenable number.

86685725088 is an abundant number, since it is smaller than the sum of its proper divisors (159826806450).

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

86685725088 is a wasteful number, since it uses less digits than its factorization.

86685725088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300992117 (or 300992106 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 86685725088 in words is "eighty-six billion, six hundred eighty-five million, seven hundred twenty-five thousand, eighty-eight".