86594988957 has 16 divisors (see below), whose sum is σ = 115639617600. Its totient is φ = 57640227200.

The previous prime is 86594988947. The next prime is 86594988967. The reversal of 86594988957 is 75988949568.

It is an interprime number because it is at equal distance from previous prime (86594988947) and next prime (86594988967).

It is a cyclic number.

It is not a de Polignac number, because 86594988957 - 2²⁶ = 86527880093 is a prime.

It is a super-2 number, since 2×86594988957² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86594988917) 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, 14403082 + ... + 14409092.

It is an arithmetic number, because the mean of its divisors is an integer number (7227476100).

Almost surely, 2^86594988957 is an apocalyptic number.

It is an amenable number.

86594988957 is a deficient number, since it is larger than the sum of its proper divisors (29044628643).

86594988957 is a wasteful number, since it uses less digits than its factorization.

86594988957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684.

The product of its digits is 1567641600, while the sum is 78.

The spelling of 86594988957 in words is "eighty-six billion, five hundred ninety-four million, nine hundred eighty-eight thousand, nine hundred fifty-seven".