327900009 has 4 divisors (see below), whose sum is σ = 437200016. Its totient is φ = 218600004.

The previous prime is 327899987. The next prime is 327900073. The reversal of 327900009 is 900009723.

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: 900009723 = 3 ⋅300003241.

It is not a de Polignac number, because 327900009 - 2⁷ = 327899881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327904009) 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, 54649999 + ... + 54650004.

It is an arithmetic number, because the mean of its divisors is an integer number (109300004).

Almost surely, 2^327900009 is an apocalyptic number.

It is an amenable number.

327900009 is a deficient number, since it is larger than the sum of its proper divisors (109300007).

327900009 is a wasteful number, since it uses less digits than its factorization.

327900009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109300006.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 327900009 is about 18108.0095261738. The cubic root of 327900009 is about 689.5733615455.

The spelling of 327900009 in words is "three hundred twenty-seven million, nine hundred thousand, nine".