327780864 has 160 divisors (see below), whose sum is σ = 983062080. Its totient is φ = 107827200.

The previous prime is 327780847. The next prime is 327780907. The reversal of 327780864 is 468087723.

It is a happy number.

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, 1810854 + ... + 1811034.

It is an arithmetic number, because the mean of its divisors is an integer number (6144138).

Almost surely, 2^327780864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327780864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491531040).

327780864 is an abundant number, since it is smaller than the sum of its proper divisors (655281216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

327780864 is a wasteful number, since it uses less digits than its factorization.

327780864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 327780864 is about 18104.7193847350. The cubic root of 327780864 is about 689.4898308258.

The spelling of 327780864 in words is "three hundred twenty-seven million, seven hundred eighty thousand, eight hundred sixty-four".