327957321667 has 2 divisors, whose sum is σ = 327957321668. Its totient is φ = 327957321666.

The previous prime is 327957321647. The next prime is 327957321691. The reversal of 327957321667 is 766123759723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 327957321667 - 2⁷ = 327957321539 is a prime.

It is not a weakly prime, because it can be changed into another prime (327957321607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163978660833 + 163978660834.

It is an arithmetic number, because the mean of its divisors is an integer number (163978660834).

Almost surely, 2^327957321667 is an apocalyptic number.

327957321667 is a deficient number, since it is larger than the sum of its proper divisors (1).

327957321667 is an equidigital number, since it uses as much as digits as its factorization.

327957321667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20003760, while the sum is 58.

The spelling of 327957321667 in words is "three hundred twenty-seven billion, nine hundred fifty-seven million, three hundred twenty-one thousand, six hundred sixty-seven".