85156232685 has 16 divisors (see below), whose sum is σ = 139573143360. Its totient is φ = 44308933760.

The previous prime is 85156232653. The next prime is 85156232699. The reversal of 85156232685 is 58623265158.

It is a happy number.

It is not a de Polignac number, because 85156232685 - 2⁵ = 85156232653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69232095 + ... + 69233324.

It is an arithmetic number, because the mean of its divisors is an integer number (8723321460).

Almost surely, 2^85156232685 is an apocalyptic number.

It is an amenable number.

85156232685 is a deficient number, since it is larger than the sum of its proper divisors (54416910675).

85156232685 is a wasteful number, since it uses less digits than its factorization.

85156232685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138465468.

The product of its digits is 3456000, while the sum is 51.

The spelling of 85156232685 in words is "eighty-five billion, one hundred fifty-six million, two hundred thirty-two thousand, six hundred eighty-five".