878875385434312 has 32 divisors (see below), whose sum is σ = 1892768238576000. Its totient is φ = 374768111228544.

The previous prime is 878875385434271. The next prime is 878875385434337. The reversal of 878875385434312 is 213434583578878.

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, 39432660493 + ... + 39432682780.

It is an arithmetic number, because the mean of its divisors is an integer number (59149007455500).

Almost surely, 2^{878875385434312} is an apocalyptic number.

It is an amenable number.

878875385434312 is an abundant number, since it is smaller than the sum of its proper divisors (1013892853141688).

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

878875385434312 is a wasteful number, since it uses less digits than its factorization.

878875385434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78865343485 (or 78865343481 counting only the distinct ones).

The product of its digits is 4335206400, while the sum is 76.

The spelling of 878875385434312 in words is "eight hundred seventy-eight trillion, eight hundred seventy-five billion, three hundred eighty-five million, four hundred thirty-four thousand, three hundred twelve".