809798014 has 16 divisors (see below), whose sum is σ = 1225353600. Its totient is φ = 401358240.

The previous prime is 809797981. The next prime is 809798029. The reversal of 809798014 is 410897908.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 158707 + ... + 163729.

It is an arithmetic number, because the mean of its divisors is an integer number (76584600).

Almost surely, 2^809798014 is an apocalyptic number.

809798014 is a deficient number, since it is larger than the sum of its proper divisors (415555586).

809798014 is a wasteful number, since it uses less digits than its factorization.

809798014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 809798014 is about 28456.9501879594. The cubic root of 809798014 is about 932.0922617070.

The spelling of 809798014 in words is "eight hundred nine million, seven hundred ninety-eight thousand, fourteen".