800921002 has 16 divisors (see below), whose sum is σ = 1379169792. Its totient is φ = 341711280.

The previous prime is 800920999. The next prime is 800921029. The reversal of 800921002 is 200129008.

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, 125149 + ... + 131392.

It is an arithmetic number, because the mean of its divisors is an integer number (86198112).

Almost surely, 2^800921002 is an apocalyptic number.

800921002 is a deficient number, since it is larger than the sum of its proper divisors (578248790).

800921002 is a wasteful number, since it uses less digits than its factorization.

800921002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256773.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 800921002 is about 28300.5477332153. The cubic root of 800921002 is about 928.6738728181.

The spelling of 800921002 in words is "eight hundred million, nine hundred twenty-one thousand, two".