798197399 has 2 divisors, whose sum is σ = 798197400. Its totient is φ = 798197398.

The previous prime is 798197377. The next prime is 798197417. The reversal of 798197399 is 993791897.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798197399 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798197329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399098699 + 399098700.

It is an arithmetic number, because the mean of its divisors is an integer number (399098700).

Almost surely, 2^798197399 is an apocalyptic number.

798197399 is a deficient number, since it is larger than the sum of its proper divisors (1).

798197399 is an equidigital number, since it uses as much as digits as its factorization.

798197399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 62.

The square root of 798197399 is about 28252.3874920333. The cubic root of 798197399 is about 927.6199979877.

The spelling of 798197399 in words is "seven hundred ninety-eight million, one hundred ninety-seven thousand, three hundred ninety-nine".