795778609 has 2 divisors, whose sum is σ = 795778610. Its totient is φ = 795778608.

The previous prime is 795778601. The next prime is 795778639. The reversal of 795778609 is 906877597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793661584 + 2117025 = 28172^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 795778609 - 2³ = 795778601 is a prime.

It is not a weakly prime, because it can be changed into another prime (795778601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397889304 + 397889305.

It is an arithmetic number, because the mean of its divisors is an integer number (397889305).

Almost surely, 2^795778609 is an apocalyptic number.

It is an amenable number.

795778609 is a deficient number, since it is larger than the sum of its proper divisors (1).

795778609 is an equidigital number, since it uses as much as digits as its factorization.

795778609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The square root of 795778609 is about 28209.5481885123. The cubic root of 795778609 is about 926.6820561568.

The spelling of 795778609 in words is "seven hundred ninety-five million, seven hundred seventy-eight thousand, six hundred nine".