796879409 has 2 divisors, whose sum is σ = 796879410. Its totient is φ = 796879408.

The previous prime is 796879373. The next prime is 796879427. The reversal of 796879409 is 904978697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 772840000 + 24039409 = 27800^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 796879409 - 2¹⁶ = 796813873 is a prime.

It is not a weakly prime, because it can be changed into another prime (796879609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398439704 + 398439705.

It is an arithmetic number, because the mean of its divisors is an integer number (398439705).

Almost surely, 2^796879409 is an apocalyptic number.

It is an amenable number.

796879409 is a deficient number, since it is larger than the sum of its proper divisors (1).

796879409 is an equidigital number, since it uses as much as digits as its factorization.

796879409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 796879409 is about 28229.0525700031. The cubic root of 796879409 is about 927.1091521661.

The spelling of 796879409 in words is "seven hundred ninety-six million, eight hundred seventy-nine thousand, four hundred nine".