800995800 has 384 divisors, whose sum is σ = 2940883200. Its totient is φ = 179660800.

The previous prime is 800995757. The next prime is 800995807. The reversal of 800995800 is 8599008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800995807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13576171 + ... + 13576229.

It is an arithmetic number, because the mean of its divisors is an integer number (7658550).

Almost surely, 2^800995800 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 800995800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470441600).

800995800 is an abundant number, since it is smaller than the sum of its proper divisors (2139887400).

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

800995800 is a wasteful number, since it uses less digits than its factorization.

800995800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 800995800 is about 28301.8691962209. The cubic root of 800995800 is about 928.7027815310.

The spelling of 800995800 in words is "eight hundred million, nine hundred ninety-five thousand, eight hundred".