327138577 has 2 divisors, whose sum is σ = 327138578. Its totient is φ = 327138576.

The previous prime is 327138569. The next prime is 327138583. The reversal of 327138577 is 775831723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266048721 + 61089856 = 16311^2 + 7816^2 .

It is an emirp because it is prime and its reverse (775831723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327138577 - 2³ = 327138569 is a prime.

It is not a weakly prime, because it can be changed into another prime (327135577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163569288 + 163569289.

It is an arithmetic number, because the mean of its divisors is an integer number (163569289).

Almost surely, 2^327138577 is an apocalyptic number.

It is an amenable number.

327138577 is a deficient number, since it is larger than the sum of its proper divisors (1).

327138577 is an equidigital number, since it uses as much as digits as its factorization.

327138577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 43.

The square root of 327138577 is about 18086.9725769682. The cubic root of 327138577 is about 689.0391842972.

The spelling of 327138577 in words is "three hundred twenty-seven million, one hundred thirty-eight thousand, five hundred seventy-seven".