327006665 has 16 divisors (see below), whose sum is σ = 401440080. Its totient is φ = 255640320.

The previous prime is 327006643. The next prime is 327006671. The reversal of 327006665 is 566600723.

It can be written as a sum of positive squares in 8 ways, for example, as 64048009 + 262958656 = 8003^2 + 16216^2 .

It is not a de Polignac number, because 327006665 - 2⁸ = 327006409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44471 + ... + 51299.

It is an arithmetic number, because the mean of its divisors is an integer number (25090005).

Almost surely, 2^327006665 is an apocalyptic number.

It is an amenable number.

327006665 is a deficient number, since it is larger than the sum of its proper divisors (74433415).

327006665 is a wasteful number, since it uses less digits than its factorization.

327006665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 327006665 is about 18083.3256067572. The cubic root of 327006665 is about 688.9465581515.

The spelling of 327006665 in words is "three hundred twenty-seven million, six thousand, six hundred sixty-five".