86213107188 has 60 divisors (see below), whose sum is σ = 242714880100. Its totient is φ = 26527108608.

The previous prime is 86213107171. The next prime is 86213107207. The reversal of 86213107188 is 88170131268.

It is a happy number.

86213107188 is a `hidden beast` number, since 8 + 621 + 3 + 1 + 0 + 7 + 18 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15109818084 + 71103289104 = 122922^2 + 266652^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10230013 + ... + 10238436.

Almost surely, 2^86213107188 is an apocalyptic number.

It is an amenable number.

86213107188 is an abundant number, since it is smaller than the sum of its proper divisors (156501772912).

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

86213107188 is a wasteful number, since it uses less digits than its factorization.

86213107188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468478 (or 20468467 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 86213107188 in words is "eighty-six billion, two hundred thirteen million, one hundred seven thousand, one hundred eighty-eight".