800315728 has 20 divisors (see below), whose sum is σ = 1618030368. Its totient is φ = 382759520.

The previous prime is 800315693. The next prime is 800315731. The reversal of 800315728 is 827513008.

It is a junction number, because it is equal to n+sod(n) for n = 800315693 and 800315702.

It is a congruent number.

It is an unprimeable number.

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, 1087018 + ... + 1087753.

Almost surely, 2^800315728 is an apocalyptic number.

It is an amenable number.

800315728 is an abundant number, since it is smaller than the sum of its proper divisors (817714640).

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

800315728 is a wasteful number, since it uses less digits than its factorization.

800315728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174802 (or 2174796 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 800315728 is about 28289.8520321334. The cubic root of 800315728 is about 928.4398739570.

The spelling of 800315728 in words is "eight hundred million, three hundred fifteen thousand, seven hundred twenty-eight".