86564889133 has 16 divisors (see below), whose sum is σ = 89973961920. Its totient is φ = 83184925824.

The previous prime is 86564889121. The next prime is 86564889167. The reversal of 86564889133 is 33198846568.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86564889133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86564889833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6192610 + ... + 6206572.

It is an arithmetic number, because the mean of its divisors is an integer number (5623372620).

Almost surely, 2^86564889133 is an apocalyptic number.

It is an amenable number.

86564889133 is a deficient number, since it is larger than the sum of its proper divisors (3409072787).

86564889133 is a wasteful number, since it uses less digits than its factorization.

86564889133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14988.

The product of its digits is 29859840, while the sum is 61.

The spelling of 86564889133 in words is "eighty-six billion, five hundred sixty-four million, eight hundred eighty-nine thousand, one hundred thirty-three".