85336564831 has 16 divisors (see below), whose sum is σ = 103192480000. Its totient is φ = 68936790528.

The previous prime is 85336564813. The next prime is 85336564849. The reversal of 85336564831 is 13846563358.

It is an interprime number because it is at equal distance from previous prime (85336564813) and next prime (85336564849).

It is a cyclic number.

It is not a de Polignac number, because 85336564831 - 2⁹ = 85336564319 is a prime.

It is a super-2 number, since 2×85336564831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85336564801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636581 + ... + 1687918.

It is an arithmetic number, because the mean of its divisors is an integer number (6449530000).

Almost surely, 2^85336564831 is an apocalyptic number.

85336564831 is a deficient number, since it is larger than the sum of its proper divisors (17855915169).

85336564831 is a wasteful number, since it uses less digits than its factorization.

85336564831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324718.

The product of its digits is 6220800, while the sum is 52.

The spelling of 85336564831 in words is "eighty-five billion, three hundred thirty-six million, five hundred sixty-four thousand, eight hundred thirty-one".