800628842 has 16 divisors (see below), whose sum is σ = 1296148392. Its totient is φ = 368713920.

The previous prime is 800628841. The next prime is 800628863. The reversal of 800628842 is 248826008.

800628842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 362940601 + 437688241 = 19051^2 + 20921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 800628796 and 800628805.

It is not an unprimeable number, because it can be changed into a prime (800628841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21413 + ... + 45384.

Almost surely, 2^800628842 is an apocalyptic number.

800628842 is a deficient number, since it is larger than the sum of its proper divisors (495519550).

800628842 is a wasteful number, since it uses less digits than its factorization.

800628842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67273.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 800628842 is about 28295.3855248519. The cubic root of 800628842 is about 928.5609385189.

The spelling of 800628842 in words is "eight hundred million, six hundred twenty-eight thousand, eight hundred forty-two".