327999997 has 4 divisors (see below), whose sum is σ = 353230780. Its totient is φ = 302769216.

The previous prime is 327999967. The next prime is 328000007. The reversal of 327999997 is 799999723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799999723 = 109 ⋅7339447.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 268107876 = 7739^2 + 16374^2 .

It is a cyclic number.

It is not a de Polignac number, because 327999997 - 2¹⁵ = 327967229 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 (327999967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12615372 + ... + 12615397.

It is an arithmetic number, because the mean of its divisors is an integer number (88307695).

Almost surely, 2^327999997 is an apocalyptic number.

It is an amenable number.

327999997 is a deficient number, since it is larger than the sum of its proper divisors (25230783).

327999997 is a wasteful number, since it uses less digits than its factorization.

327999997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25230782.

The product of its digits is 17360406, while the sum is 64.

The square root of 327999997 is about 18110.7701934512. The cubic root of 327999997 is about 689.6434459740.

The spelling of 327999997 in words is "three hundred twenty-seven million, nine hundred ninety-nine thousand, nine hundred ninety-seven".