800560831 has 4 divisors (see below), whose sum is σ = 914926672. Its totient is φ = 686194992.

The previous prime is 800560819. The next prime is 800560837. The reversal of 800560831 is 138065008.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 800560831 - 2¹⁷ = 800429759 is a prime.

It is a super-2 number, since 2×800560831² = 1281795288262821122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800560793 and 800560802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800560837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57182910 + ... + 57182923.

It is an arithmetic number, because the mean of its divisors is an integer number (228731668).

Almost surely, 2^800560831 is an apocalyptic number.

800560831 is a deficient number, since it is larger than the sum of its proper divisors (114365841).

800560831 is a wasteful number, since it uses less digits than its factorization.

800560831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114365840.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 800560831 is about 28294.1836955937. The cubic root of 800560831 is about 928.5346449594.

The spelling of 800560831 in words is "eight hundred million, five hundred sixty thousand, eight hundred thirty-one".