872689130091 has 16 divisors (see below), whose sum is σ = 1334578360320. Its totient is φ = 563025244680.

The previous prime is 872689130039. The next prime is 872689130101. The reversal of 872689130091 is 190031986278.

872689130091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 872689130091 - 2³³ = 864099195499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872689130191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521318835 + ... + 521320508.

It is an arithmetic number, because the mean of its divisors is an integer number (83411147520).

Almost surely, 2^872689130091 is an apocalyptic number.

872689130091 is a deficient number, since it is larger than the sum of its proper divisors (461889230229).

872689130091 is a wasteful number, since it uses less digits than its factorization.

872689130091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042639383 (or 1042639377 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 872689130091 in words is "eight hundred seventy-two billion, six hundred eighty-nine million, one hundred thirty thousand, ninety-one".