875091031239966 has 64 divisors (see below), whose sum is σ = 1759264164172800. Its totient is φ = 290187109255680.

The previous prime is 875091031239871. The next prime is 875091031240067. The reversal of 875091031239966 is 669932130190578.

It is a self number, because there is not a number n which added to its sum of digits gives 875091031239966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23524566235 + ... + 23524603433.

It is an arithmetic number, because the mean of its divisors is an integer number (27488502565200).

Almost surely, 2^{875091031239966} is an apocalyptic number.

875091031239966 is an abundant number, since it is smaller than the sum of its proper divisors (884173132932834).

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

875091031239966 is a wasteful number, since it uses less digits than its factorization.

875091031239966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62081.

The product of its (nonzero) digits is 132269760, while the sum is 69.

The spelling of 875091031239966 in words is "eight hundred seventy-five trillion, ninety-one billion, thirty-one million, two hundred thirty-nine thousand, nine hundred sixty-six".