85175986044 has 24 divisors (see below), whose sum is σ = 200502766800. Its totient is φ = 28140738304.

The previous prime is 85175986033. The next prime is 85175986067. The reversal of 85175986044 is 44068957158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31405719 + ... + 31408430.

It is an arithmetic number, because the mean of its divisors is an integer number (8354281950).

Almost surely, 2^85175986044 is an apocalyptic number.

It is an amenable number.

85175986044 is an abundant number, since it is smaller than the sum of its proper divisors (115326780756).

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

85175986044 is a wasteful number, since it uses less digits than its factorization.

85175986044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62814269 (or 62814267 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 85175986044 in words is "eighty-five billion, one hundred seventy-five million, nine hundred eighty-six thousand, forty-four".