873996864 has 56 divisors (see below), whose sum is σ = 2490337920. Its totient is φ = 268921344.

The previous prime is 873996859. The next prime is 873996883. The reversal of 873996864 is 468699378.

It is a junction number, because it is equal to n+sod(n) for n = 873996798 and 873996807.

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, 172584 + ... + 177575.

It is an arithmetic number, because the mean of its divisors is an integer number (44470320).

Almost surely, 2^873996864 is an apocalyptic number.

It is an amenable number.

873996864 is an abundant number, since it is smaller than the sum of its proper divisors (1616341056).

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

873996864 is a wasteful number, since it uses less digits than its factorization.

873996864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350187 (or 350177 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 873996864 is about 29563.4379597502. The cubic root of 873996864 is about 956.0999411165.

The spelling of 873996864 in words is "eight hundred seventy-three million, nine hundred ninety-six thousand, eight hundred sixty-four".