800872223 has 4 divisors (see below), whose sum is σ = 800935920. Its totient is φ = 800808528.

The previous prime is 800872201. The next prime is 800872231. The reversal of 800872223 is 322278008.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 800872223 - 2¹⁰ = 800871199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 800872223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800872283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5990 + ... + 40467.

It is an arithmetic number, because the mean of its divisors is an integer number (200233980).

Almost surely, 2^800872223 is an apocalyptic number.

800872223 is a deficient number, since it is larger than the sum of its proper divisors (63697).

800872223 is a wasteful number, since it uses less digits than its factorization.

800872223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63696.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 800872223 is about 28299.6859169850. The cubic root of 800872223 is about 928.6550192306.

The spelling of 800872223 in words is "eight hundred million, eight hundred seventy-two thousand, two hundred twenty-three".