86936571577 has 8 divisors (see below), whose sum is σ = 90254444040. Its totient is φ = 83640036480.

The previous prime is 86936571571. The next prime is 86936571587. The reversal of 86936571577 is 77517563968.

It can be written as a sum of positive squares in 4 ways, for example, as 18709041961 + 68227529616 = 136781^2 + 261204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86936571577 - 2¹¹ = 86936569529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86936571571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5326038 + ... + 5342335.

It is an arithmetic number, because the mean of its divisors is an integer number (11281805505).

Almost surely, 2^86936571577 is an apocalyptic number.

It is an amenable number.

86936571577 is a deficient number, since it is larger than the sum of its proper divisors (3317872463).

86936571577 is a wasteful number, since it uses less digits than its factorization.

86936571577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668683.

The product of its digits is 66679200, while the sum is 64.

The spelling of 86936571577 in words is "eighty-six billion, nine hundred thirty-six million, five hundred seventy-one thousand, five hundred seventy-seven".