327668893 has 2 divisors, whose sum is σ = 327668894. Its totient is φ = 327668892.

The previous prime is 327668867. The next prime is 327668899. The reversal of 327668893 is 398866723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324972729 + 2696164 = 18027^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 327668893 - 2⁹ = 327668381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 327668893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327668899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163834446 + 163834447.

It is an arithmetic number, because the mean of its divisors is an integer number (163834447).

Almost surely, 2^327668893 is an apocalyptic number.

It is an amenable number.

327668893 is a deficient number, since it is larger than the sum of its proper divisors (1).

327668893 is an equidigital number, since it uses as much as digits as its factorization.

327668893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 52.

The square root of 327668893 is about 18101.6268053454. The cubic root of 327668893 is about 689.4113112345.

The spelling of 327668893 in words is "three hundred twenty-seven million, six hundred sixty-eight thousand, eight hundred ninety-three".