800987992 has 32 divisors (see below), whose sum is σ = 1721855520. Its totient is φ = 342190080.

The previous prime is 800987989. The next prime is 800988017. The reversal of 800987992 is 299789008.

It is a congruent number.

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, 4809 + ... + 40312.

It is an arithmetic number, because the mean of its divisors is an integer number (53807985).

Almost surely, 2^800987992 is an apocalyptic number.

It is an amenable number.

800987992 is an abundant number, since it is smaller than the sum of its proper divisors (920867528).

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

800987992 is a wasteful number, since it uses less digits than its factorization.

800987992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45451 (or 45447 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 800987992 is about 28301.7312544657. The cubic root of 800987992 is about 928.6997638977.

The spelling of 800987992 in words is "eight hundred million, nine hundred eighty-seven thousand, nine hundred ninety-two".