800775500 has 48 divisors (see below), whose sum is σ = 1998744384. Its totient is φ = 274550400.

The previous prime is 800775473. The next prime is 800775511. The reversal of 800775500 is 5577008.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 110897 + ... + 117896.

It is an arithmetic number, because the mean of its divisors is an integer number (41640508).

Almost surely, 2^800775500 is an apocalyptic number.

It is an amenable number.

800775500 is an abundant number, since it is smaller than the sum of its proper divisors (1197968884).

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

800775500 is a wasteful number, since it uses less digits than its factorization.

800775500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228819 (or 228807 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 800775500 is about 28297.9769594931. The cubic root of 800775500 is about 928.6176325277.

The spelling of 800775500 in words is "eight hundred million, seven hundred seventy-five thousand, five hundred".