327664317 has 4 divisors (see below), whose sum is σ = 436885760. Its totient is φ = 218442876.

The previous prime is 327664303. The next prime is 327664339. The reversal of 327664317 is 713466723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713466723 = 3 ⋅237822241.

It is not a de Polignac number, because 327664317 - 2⁸ = 327664061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327664357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54610717 + ... + 54610722.

It is an arithmetic number, because the mean of its divisors is an integer number (109221440).

Almost surely, 2^327664317 is an apocalyptic number.

It is an amenable number.

327664317 is a deficient number, since it is larger than the sum of its proper divisors (109221443).

327664317 is a wasteful number, since it uses less digits than its factorization.

327664317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109221442.

The product of its digits is 127008, while the sum is 39.

The square root of 327664317 is about 18101.5004074248. The cubic root of 327664317 is about 689.4081019371.

The spelling of 327664317 in words is "three hundred twenty-seven million, six hundred sixty-four thousand, three hundred seventeen".