800266728 has 16 divisors (see below), whose sum is σ = 2000666880. Its totient is φ = 266755568.

The previous prime is 800266723. The next prime is 800266739. The reversal of 800266728 is 827662008.

It is not an unprimeable number, because it can be changed into a prime (800266723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16672200 + ... + 16672247.

It is an arithmetic number, because the mean of its divisors is an integer number (125041680).

Almost surely, 2^800266728 is an apocalyptic number.

It is an amenable number.

800266728 is an abundant number, since it is smaller than the sum of its proper divisors (1200400152).

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

800266728 is a wasteful number, since it uses less digits than its factorization.

800266728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33344456 (or 33344452 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 800266728 is about 28288.9859839479. The cubic root of 800266728 is about 928.4209254009.

The spelling of 800266728 in words is "eight hundred million, two hundred sixty-six thousand, seven hundred twenty-eight".