86993358188 has 96 divisors (see below), whose sum is σ = 182434291200. Its totient is φ = 35829785600.

The previous prime is 86993358163. The next prime is 86993358203. The reversal of 86993358188 is 88185339968.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7781843 + ... + 7793013.

It is an arithmetic number, because the mean of its divisors is an integer number (1900357200).

Almost surely, 2^86993358188 is an apocalyptic number.

It is an amenable number.

86993358188 is an abundant number, since it is smaller than the sum of its proper divisors (95440933012).

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

86993358188 is a wasteful number, since it uses less digits than its factorization.

86993358188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11591 (or 11589 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 68.

The spelling of 86993358188 in words is "eighty-six billion, nine hundred ninety-three million, three hundred fifty-eight thousand, one hundred eighty-eight".