809653796 has 24 divisors (see below), whose sum is σ = 1622099136. Its totient is φ = 346396320.

The previous prime is 809653771. The next prime is 809653799. The reversal of 809653796 is 697356908.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (809653799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8195 + ... + 41066.

It is an arithmetic number, because the mean of its divisors is an integer number (67587464).

Almost surely, 2^809653796 is an apocalyptic number.

It is an amenable number.

809653796 is an abundant number, since it is smaller than the sum of its proper divisors (812445340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809653796 is a wasteful number, since it uses less digits than its factorization.

809653796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49859 (or 49857 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 809653796 is about 28454.4161071704. The cubic root of 809653796 is about 932.0369259072.

The spelling of 809653796 in words is "eight hundred nine million, six hundred fifty-three thousand, seven hundred ninety-six".