86366645892 has 36 divisors (see below), whose sum is σ = 218345643516. Its totient is φ = 28784931840.

The previous prime is 86366645881. The next prime is 86366645899. The reversal of 86366645892 is 29854666368.

It can be written as a sum of positive squares in 2 ways, for example, as 11840921856 + 74525724036 = 108816^2 + 272994^2 .

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 (86366645899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107592 + ... + 429312.

Almost surely, 2^86366645892 is an apocalyptic number.

It is an amenable number.

86366645892 is an abundant number, since it is smaller than the sum of its proper divisors (131978997624).

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

86366645892 is a wasteful number, since it uses less digits than its factorization.

86366645892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329188 (or 329183 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 63.

The spelling of 86366645892 in words is "eighty-six billion, three hundred sixty-six million, six hundred forty-five thousand, eight hundred ninety-two".