327968791 has 2 divisors, whose sum is σ = 327968792. Its totient is φ = 327968790.

The previous prime is 327968759. The next prime is 327968833. The reversal of 327968791 is 197869723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 327968791 - 2⁵ = 327968759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327968701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163984395 + 163984396.

It is an arithmetic number, because the mean of its divisors is an integer number (163984396).

Almost surely, 2^327968791 is an apocalyptic number.

327968791 is a deficient number, since it is larger than the sum of its proper divisors (1).

327968791 is an equidigital number, since it uses as much as digits as its factorization.

327968791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The square root of 327968791 is about 18109.9086414040. The cubic root of 327968791 is about 689.6215743316.

The spelling of 327968791 in words is "three hundred twenty-seven million, nine hundred sixty-eight thousand, seven hundred ninety-one".