85236902915 has 16 divisors (see below), whose sum is σ = 108655456800. Its totient is φ = 64007926272.

The previous prime is 85236902873. The next prime is 85236902929. The reversal of 85236902915 is 51920963258.

It is a cyclic number.

It is not a de Polignac number, because 85236902915 - 2¹⁰ = 85236901891 is a prime.

It is a super-2 number, since 2×85236902915² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4105382 + ... + 4126091.

It is an arithmetic number, because the mean of its divisors is an integer number (6790966050).

Almost surely, 2^85236902915 is an apocalyptic number.

85236902915 is a deficient number, since it is larger than the sum of its proper divisors (23418553885).

85236902915 is a wasteful number, since it uses less digits than its factorization.

85236902915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231606.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 85236902915 in words is "eighty-five billion, two hundred thirty-six million, nine hundred two thousand, nine hundred fifteen".