795866809 has 2 divisors, whose sum is σ = 795866810. Its totient is φ = 795866808.

The previous prime is 795866783. The next prime is 795866837. The reversal of 795866809 is 908668597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793661584 + 2205225 = 28172^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 795866809 - 2⁷ = 795866681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (795866009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397933404 + 397933405.

It is an arithmetic number, because the mean of its divisors is an integer number (397933405).

Almost surely, 2^795866809 is an apocalyptic number.

It is an amenable number.

795866809 is a deficient number, since it is larger than the sum of its proper divisors (1).

795866809 is an equidigital number, since it uses as much as digits as its factorization.

795866809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The square root of 795866809 is about 28211.1114456698. Note that the first 3 decimals coincide. The cubic root of 795866809 is about 926.7162911132.

The spelling of 795866809 in words is "seven hundred ninety-five million, eight hundred sixty-six thousand, eight hundred nine".