809085496 has 16 divisors (see below), whose sum is σ = 1527219000. Its totient is φ = 401827104.

The previous prime is 809085479. The next prime is 809085521. The reversal of 809085496 is 694580908.

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 3 ways as a sum of consecutive naturals, for example, 338190 + ... + 340573.

Almost surely, 2^809085496 is an apocalyptic number.

It is an amenable number.

809085496 is a deficient number, since it is larger than the sum of its proper divisors (718133504).

809085496 is a wasteful number, since it uses less digits than its factorization.

809085496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678918 (or 678914 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 809085496 is about 28444.4282065926. The cubic root of 809085496 is about 931.8188077586.

The spelling of 809085496 in words is "eight hundred nine million, eighty-five thousand, four hundred ninety-six".