86657566137 has 16 divisors (see below), whose sum is σ = 115833419520. Its totient is φ = 57626895312.

The previous prime is 86657566133. The next prime is 86657566159. The reversal of 86657566137 is 73166575668.

It is not a de Polignac number, because 86657566137 - 2² = 86657566133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86657566133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935478 + ... + 1979744.

It is an arithmetic number, because the mean of its divisors is an integer number (7239588720).

Almost surely, 2^86657566137 is an apocalyptic number.

It is an amenable number.

86657566137 is a deficient number, since it is larger than the sum of its proper divisors (29175853383).

86657566137 is a wasteful number, since it uses less digits than its factorization.

86657566137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45892.

The product of its digits is 38102400, while the sum is 60.

The spelling of 86657566137 in words is "eighty-six billion, six hundred fifty-seven million, five hundred sixty-six thousand, one hundred thirty-seven".