85593089317 has 2 divisors, whose sum is σ = 85593089318. Its totient is φ = 85593089316.

The previous prime is 85593089311. The next prime is 85593089347. The reversal of 85593089317 is 71398039558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85562685121 + 30404196 = 292511^2 + 5514^2 .

It is a cyclic number.

It is not a de Polignac number, because 85593089317 - 2²³ = 85584700709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85593089311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42796544658 + 42796544659.

It is an arithmetic number, because the mean of its divisors is an integer number (42796544659).

Almost surely, 2^85593089317 is an apocalyptic number.

It is an amenable number.

85593089317 is a deficient number, since it is larger than the sum of its proper divisors (1).

85593089317 is an equidigital number, since it uses as much as digits as its factorization.

85593089317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 85593089317 in words is "eighty-five billion, five hundred ninety-three million, eighty-nine thousand, three hundred seventeen".