327948865 has 4 divisors (see below), whose sum is σ = 393538644. Its totient is φ = 262359088.

The previous prime is 327948847. The next prime is 327948877. The reversal of 327948865 is 568849723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568849723 = 13 ⋅43757671.

It can be written as a sum of positive squares in 2 ways, for example, as 91527489 + 236421376 = 9567^2 + 15376^2 .

It is a cyclic number.

It is not a de Polignac number, because 327948865 - 2¹⁵ = 327916097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32794882 + ... + 32794891.

It is an arithmetic number, because the mean of its divisors is an integer number (98384661).

Almost surely, 2^327948865 is an apocalyptic number.

It is an amenable number.

327948865 is a deficient number, since it is larger than the sum of its proper divisors (65589779).

327948865 is an equidigital number, since it uses as much as digits as its factorization.

327948865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65589778.

The product of its digits is 2903040, while the sum is 52.

The square root of 327948865 is about 18109.3584922272. The cubic root of 327948865 is about 689.6076078830.

The spelling of 327948865 in words is "three hundred twenty-seven million, nine hundred forty-eight thousand, eight hundred sixty-five".