796699991 has 2 divisors, whose sum is σ = 796699992. Its totient is φ = 796699990.

The previous prime is 796699973. The next prime is 796699993. The reversal of 796699991 is 199996697.

It is a strong prime.

It is an emirp because it is prime and its reverse (199996697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 796699991 - 2⁶ = 796699927 is a prime.

Together with 796699993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (796699993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398349995 + 398349996.

It is an arithmetic number, because the mean of its divisors is an integer number (398349996).

Almost surely, 2^796699991 is an apocalyptic number.

796699991 is a deficient number, since it is larger than the sum of its proper divisors (1).

796699991 is an equidigital number, since it uses as much as digits as its factorization.

796699991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14880348, while the sum is 65.

The square root of 796699991 is about 28225.8744948673. The cubic root of 796699991 is about 927.0395671685.

The spelling of 796699991 in words is "seven hundred ninety-six million, six hundred ninety-nine thousand, nine hundred ninety-one".