800699904 has 200 divisors, whose sum is σ = 2450903400. Its totient is φ = 260112384.

The previous prime is 800699863. The next prime is 800699927. The reversal of 800699904 is 409996008.

800699904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×800699904² = 1282240672531218432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 800699904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1783072 + ... + 1783520.

It is an arithmetic number, because the mean of its divisors is an integer number (12254517).

Almost surely, 2^800699904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800699904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225451700).

800699904 is an abundant number, since it is smaller than the sum of its proper divisors (1650203496).

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

800699904 is an equidigital number, since it uses as much as digits as its factorization.

800699904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 800699904 is about 28296.6412141088. The cubic root of 800699904 is about 928.5884100270.

The spelling of 800699904 in words is "eight hundred million, six hundred ninety-nine thousand, nine hundred four".