809803112 has 32 divisors (see below), whose sum is σ = 1565736480. Its totient is φ = 392458560.

The previous prime is 809803097. The next prime is 809803151. The reversal of 809803112 is 211308908.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23687 + ... + 46697.

It is an arithmetic number, because the mean of its divisors is an integer number (48929265).

Almost surely, 2^809803112 is an apocalyptic number.

It is an amenable number.

809803112 is a deficient number, since it is larger than the sum of its proper divisors (755933368).

809803112 is a wasteful number, since it uses less digits than its factorization.

809803112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23153 (or 23149 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 809803112 is about 28457.0397617180. The cubic root of 809803112 is about 932.0942176665.

The spelling of 809803112 in words is "eight hundred nine million, eight hundred three thousand, one hundred twelve".