85057885313 has 4 divisors (see below), whose sum is σ = 85058596608. Its totient is φ = 85057174020.

The previous prime is 85057885301. The next prime is 85057885397. The reversal of 85057885313 is 31358875058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 85057885313 - 2²⁶ = 84990776449 is a prime.

It is a super-3 number, since 3×85057885313³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85057885013) 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 3 ways as a sum of consecutive naturals, for example, 127481 + ... + 431702.

It is an arithmetic number, because the mean of its divisors is an integer number (21264649152).

Almost surely, 2^85057885313 is an apocalyptic number.

It is an amenable number.

85057885313 is a deficient number, since it is larger than the sum of its proper divisors (711295).

85057885313 is a wasteful number, since it uses less digits than its factorization.

85057885313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711294.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 85057885313 in words is "eighty-five billion, fifty-seven million, eight hundred eighty-five thousand, three hundred thirteen".