873985994 has 16 divisors (see below), whose sum is σ = 1501551168. Its totient is φ = 373743072.

The previous prime is 873985967. The next prime is 873986011. The reversal of 873985994 is 499589378.

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, 61904 + ... + 74699.

It is an arithmetic number, because the mean of its divisors is an integer number (93846948).

Almost surely, 2^873985994 is an apocalyptic number.

873985994 is a deficient number, since it is larger than the sum of its proper divisors (627565174).

873985994 is a wasteful number, since it uses less digits than its factorization.

873985994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137069.

The product of its digits is 19595520, while the sum is 62.

The square root of 873985994 is about 29563.2541172314. The cubic root of 873985994 is about 956.0959773916.

The spelling of 873985994 in words is "eight hundred seventy-three million, nine hundred eighty-five thousand, nine hundred ninety-four".