327689648280 has 128 divisors (see below), whose sum is σ = 1092698611200. Its totient is φ = 87351924096.

The previous prime is 327689648257. The next prime is 327689648323. The reversal of 327689648280 is 82846986723.

327689648280 is a `hidden beast` number, since 3 + 2 + 7 + 68 + 96 + 482 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2973117 + ... + 3081363.

It is an arithmetic number, because the mean of its divisors is an integer number (8536707900).

Almost surely, 2^327689648280 is an apocalyptic number.

327689648280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327689648280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546349305600).

327689648280 is an abundant number, since it is smaller than the sum of its proper divisors (765008962920).

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

327689648280 is a wasteful number, since it uses less digits than its factorization.

327689648280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111070 (or 111060 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 327689648280 in words is "three hundred twenty-seven billion, six hundred eighty-nine million, six hundred forty-eight thousand, two hundred eighty".