86857902132 has 12 divisors (see below), whose sum is σ = 202668438336. Its totient is φ = 28952634040.

The previous prime is 86857902119. The next prime is 86857902143. The reversal of 86857902132 is 23120975868.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3619079244 + ... + 3619079267.

It is an arithmetic number, because the mean of its divisors is an integer number (16889036528).

Almost surely, 2^86857902132 is an apocalyptic number.

It is an amenable number.

86857902132 is an abundant number, since it is smaller than the sum of its proper divisors (115810536204).

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

86857902132 is a wasteful number, since it uses less digits than its factorization.

86857902132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238158518 (or 7238158516 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 86857902132 in words is "eighty-six billion, eight hundred fifty-seven million, nine hundred two thousand, one hundred thirty-two".