800804831 has 2 divisors, whose sum is σ = 800804832. Its totient is φ = 800804830.

The previous prime is 800804827. The next prime is 800804887. The reversal of 800804831 is 138408008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800804831 - 2² = 800804827 is a prime.

It is a super-2 number, since 2×800804831² = 1282576754705877122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (800804891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400402415 + 400402416.

It is an arithmetic number, because the mean of its divisors is an integer number (400402416).

Almost surely, 2^800804831 is an apocalyptic number.

800804831 is a deficient number, since it is larger than the sum of its proper divisors (1).

800804831 is an equidigital number, since it uses as much as digits as its factorization.

800804831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 800804831 is about 28298.4952073427. The cubic root of 800804831 is about 928.6289702668.

The spelling of 800804831 in words is "eight hundred million, eight hundred four thousand, eight hundred thirty-one".