85444703504 has 80 divisors (see below), whose sum is σ = 171923579520. Its totient is φ = 41110917120.

The previous prime is 85444703489. The next prime is 85444703551. The reversal of 85444703504 is 40530744458.

It is a happy 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, 15279749 + ... + 15285339.

It is an arithmetic number, because the mean of its divisors is an integer number (2149044744).

Almost surely, 2^85444703504 is an apocalyptic number.

It is an amenable number.

85444703504 is an abundant number, since it is smaller than the sum of its proper divisors (86478876016).

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

85444703504 is a wasteful number, since it uses less digits than its factorization.

85444703504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968 (or 5962 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 85444703504 in words is "eighty-five billion, four hundred forty-four million, seven hundred three thousand, five hundred four".