810085017 has 16 divisors (see below), whose sum is σ = 1236448640. Its totient is φ = 462143232.

The previous prime is 810085013. The next prime is 810085049. The reversal of 810085017 is 710580018.

It is not a de Polignac number, because 810085017 - 2² = 810085013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (810085013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18592 + ... + 44337.

It is an arithmetic number, because the mean of its divisors is an integer number (77278040).

Almost surely, 2^810085017 is an apocalyptic number.

It is an amenable number.

810085017 is a deficient number, since it is larger than the sum of its proper divisors (426363623).

810085017 is a wasteful number, since it uses less digits than its factorization.

810085017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63552.

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 810085017 is about 28461.9924987693. The cubic root of 810085017 is about 932.2023639274.

The spelling of 810085017 in words is "eight hundred ten million, eighty-five thousand, seventeen".