85877583144 has 32 divisors (see below), whose sum is σ = 214704483840. Its totient is φ = 28624457600.

The previous prime is 85877583137. The next prime is 85877583161. The reversal of 85877583144 is 44138577858.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489529 + ... + 641399.

It is an arithmetic number, because the mean of its divisors is an integer number (6709515120).

Almost surely, 2^85877583144 is an apocalyptic number.

It is an amenable number.

85877583144 is an abundant number, since it is smaller than the sum of its proper divisors (128826900696).

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

85877583144 is a wasteful number, since it uses less digits than its factorization.

85877583144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175441 (or 175437 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 60.

The spelling of 85877583144 in words is "eighty-five billion, eight hundred seventy-seven million, five hundred eighty-three thousand, one hundred forty-four".