327765397 has 2 divisors, whose sum is σ = 327765398. Its totient is φ = 327765396.

The previous prime is 327765379. The next prime is 327765413. The reversal of 327765397 is 793567723.

Together with previous prime (327765379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302272996 + 25492401 = 17386^2 + 5049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-327765397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 327765397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327765377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163882698 + 163882699.

It is an arithmetic number, because the mean of its divisors is an integer number (163882699).

Almost surely, 2^327765397 is an apocalyptic number.

It is an amenable number.

327765397 is a deficient number, since it is larger than the sum of its proper divisors (1).

327765397 is an equidigital number, since it uses as much as digits as its factorization.

327765397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 49.

The square root of 327765397 is about 18104.2922258784. The cubic root of 327765397 is about 689.4789856666.

The spelling of 327765397 in words is "three hundred twenty-seven million, seven hundred sixty-five thousand, three hundred ninety-seven".