327861089 has 2 divisors, whose sum is σ = 327861090. Its totient is φ = 327861088.

The previous prime is 327861077. The next prime is 327861091. The reversal of 327861089 is 980168723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310288225 + 17572864 = 17615^2 + 4192^2 .

It is an emirp because it is prime and its reverse (980168723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327861089 - 2¹⁶ = 327795553 is a prime.

Together with 327861091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (327861019) 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, 163930544 + 163930545.

It is an arithmetic number, because the mean of its divisors is an integer number (163930545).

Almost surely, 2^327861089 is an apocalyptic number.

It is an amenable number.

327861089 is a deficient number, since it is larger than the sum of its proper divisors (1).

327861089 is an equidigital number, since it uses as much as digits as its factorization.

327861089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 327861089 is about 18106.9348317157. The cubic root of 327861089 is about 689.5460775602.

The spelling of 327861089 in words is "three hundred twenty-seven million, eight hundred sixty-one thousand, eighty-nine".