800636473 has 16 divisors (see below), whose sum is σ = 1017189376. Its totient is φ = 613033920.

The previous prime is 800636429. The next prime is 800636477. The reversal of 800636473 is 374636008.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 800636473 - 2²¹ = 798539321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800636477) 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 15 ways as a sum of consecutive naturals, for example, 139086 + ... + 144727.

It is an arithmetic number, because the mean of its divisors is an integer number (63574336).

Almost surely, 2^800636473 is an apocalyptic number.

It is an amenable number.

800636473 is a deficient number, since it is larger than the sum of its proper divisors (216552903).

800636473 is a wasteful number, since it uses less digits than its factorization.

800636473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283864.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 800636473 is about 28295.5203698395. The cubic root of 800636473 is about 928.5638886274.

The spelling of 800636473 in words is "eight hundred million, six hundred thirty-six thousand, four hundred seventy-three".