799197197 has 2 divisors, whose sum is σ = 799197198. Its totient is φ = 799197196.

The previous prime is 799197187. The next prime is 799197199. The reversal of 799197197 is 791791997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773451721 + 25745476 = 27811^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 799197197 - 2²² = 795002893 is a prime.

Together with 799197199, 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 (799197199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399598598 + 399598599.

It is an arithmetic number, because the mean of its divisors is an integer number (399598599).

Almost surely, 2^799197197 is an apocalyptic number.

It is an amenable number.

799197197 is a deficient number, since it is larger than the sum of its proper divisors (1).

799197197 is an equidigital number, since it uses as much as digits as its factorization.

799197197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250423, while the sum is 59.

The square root of 799197197 is about 28270.0759991904. The cubic root of 799197197 is about 928.0071393408.

The spelling of 799197197 in words is "seven hundred ninety-nine million, one hundred ninety-seven thousand, one hundred ninety-seven".