86507085317 has 2 divisors, whose sum is σ = 86507085318. Its totient is φ = 86507085316.

The previous prime is 86507085299. The next prime is 86507085337. The reversal of 86507085317 is 71358070568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52374153316 + 34132932001 = 228854^2 + 184751^2 .

It is a cyclic number.

It is not a de Polignac number, because 86507085317 - 2²⁶ = 86439976453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86507085337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43253542658 + 43253542659.

It is an arithmetic number, because the mean of its divisors is an integer number (43253542659).

Almost surely, 2^86507085317 is an apocalyptic number.

It is an amenable number.

86507085317 is a deficient number, since it is larger than the sum of its proper divisors (1).

86507085317 is an equidigital number, since it uses as much as digits as its factorization.

86507085317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 86507085317 in words is "eighty-six billion, five hundred seven million, eighty-five thousand, three hundred seventeen".