85534523256 has 64 divisors (see below), whose sum is σ = 263183155200. Its totient is φ = 22558555008.

The previous prime is 85534523219. The next prime is 85534523279. The reversal of 85534523256 is 65232543558.

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, 19579896 + ... + 19584263.

It is an arithmetic number, because the mean of its divisors is an integer number (4112236800).

Almost surely, 2^85534523256 is an apocalyptic number.

It is an amenable number.

85534523256 is an abundant number, since it is smaller than the sum of its proper divisors (177648631944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85534523256 is a wasteful number, since it uses less digits than its factorization.

85534523256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39164188 (or 39164184 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 48.

The spelling of 85534523256 in words is "eighty-five billion, five hundred thirty-four million, five hundred twenty-three thousand, two hundred fifty-six".