797216279 has 2 divisors, whose sum is σ = 797216280. Its totient is φ = 797216278.

The previous prime is 797216263. The next prime is 797216281. The reversal of 797216279 is 972612797.

797216279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797216279 - 2⁴ = 797216263 is a prime.

Together with 797216281, 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 (797216579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398608139 + 398608140.

It is an arithmetic number, because the mean of its divisors is an integer number (398608140).

Almost surely, 2^797216279 is an apocalyptic number.

797216279 is a deficient number, since it is larger than the sum of its proper divisors (1).

797216279 is an equidigital number, since it uses as much as digits as its factorization.

797216279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 50.

The square root of 797216279 is about 28235.0186647716. The cubic root of 797216279 is about 927.2397747162.

The spelling of 797216279 in words is "seven hundred ninety-seven million, two hundred sixteen thousand, two hundred seventy-nine".