809011696 has 20 divisors (see below), whose sum is σ = 1588934512. Its totient is φ = 398964096.

The previous prime is 809011661. The next prime is 809011711. The reversal of 809011696 is 696110908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345156 + ... + 347491.

Almost surely, 2^809011696 is an apocalyptic number.

It is an amenable number.

809011696 is a deficient number, since it is larger than the sum of its proper divisors (779922816).

809011696 is a wasteful number, since it uses less digits than its factorization.

809011696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692728 (or 692722 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 809011696 is about 28443.1309106434. The cubic root of 809011696 is about 931.7904752279.

The spelling of 809011696 in words is "eight hundred nine million, eleven thousand, six hundred ninety-six".