85706018593 has 16 divisors (see below), whose sum is σ = 92748912256. Its totient is φ = 78728267520.

The previous prime is 85706018591. The next prime is 85706018603. The reversal of 85706018593 is 39581060758.

It is a cyclic number.

It is not a de Polignac number, because 85706018593 - 2¹ = 85706018591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85706018593.

It is not an unprimeable number, because it can be changed into a prime (85706018591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501305 + ... + 2535337.

It is an arithmetic number, because the mean of its divisors is an integer number (5796807016).

Almost surely, 2^85706018593 is an apocalyptic number.

It is an amenable number.

85706018593 is a deficient number, since it is larger than the sum of its proper divisors (7042893663).

85706018593 is a wasteful number, since it uses less digits than its factorization.

85706018593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34984.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 85706018593 in words is "eighty-five billion, seven hundred six million, eighteen thousand, five hundred ninety-three".