878875385434188 has 96 divisors (see below), whose sum is σ = 2172363364237248. Its totient is φ = 275595573657600.

The previous prime is 878875385434177. The next prime is 878875385434243. The reversal of 878875385434188 is 881434583578878.

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, 7776431856 + ... + 7776544872.

It is an arithmetic number, because the mean of its divisors is an integer number (22628785044138).

Almost surely, 2^{878875385434188} is an apocalyptic number.

It is an amenable number.

878875385434188 is an abundant number, since it is smaller than the sum of its proper divisors (1293487978803060).

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

878875385434188 is a wasteful number, since it uses less digits than its factorization.

878875385434188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130683 (or 130681 counting only the distinct ones).

The product of its digits is 46242201600, while the sum is 87.

The spelling of 878875385434188 in words is "eight hundred seventy-eight trillion, eight hundred seventy-five billion, three hundred eighty-five million, four hundred thirty-four thousand, one hundred eighty-eight".