86129043912 has 24 divisors (see below), whose sum is σ = 233266160790. Its totient is φ = 28709681280.

The previous prime is 86129043901. The next prime is 86129043929. The reversal of 86129043912 is 21934092168.

86129043912 is a `hidden beast` number, since 86 + 129 + 0 + 439 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86115250116 + 13793796 = 293454^2 + 3714^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 598118289 + ... + 598118432.

Almost surely, 2^86129043912 is an apocalyptic number.

It is an amenable number.

86129043912 is an abundant number, since it is smaller than the sum of its proper divisors (147137116878).

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

86129043912 is a wasteful number, since it uses less digits than its factorization.

86129043912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196236733 (or 1196236726 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 86129043912 in words is "eighty-six billion, one hundred twenty-nine million, forty-three thousand, nine hundred twelve".