327128708256 has 192 divisors, whose sum is σ = 1014185410560. Its totient is φ = 90348410880.

The previous prime is 327128708219. The next prime is 327128708261. The reversal of 327128708256 is 652807821723.

It is a junction number, because it is equal to n+sod(n) for n = 327128708199 and 327128708208.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19511205 + ... + 19527963.

It is an arithmetic number, because the mean of its divisors is an integer number (5282215680).

Almost surely, 2^327128708256 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 327128708256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507092705280).

327128708256 is an abundant number, since it is smaller than the sum of its proper divisors (687056702304).

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

327128708256 is a wasteful number, since it uses less digits than its factorization.

327128708256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747 (or 17739 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 327128708256 in words is "three hundred twenty-seven billion, one hundred twenty-eight million, seven hundred eight thousand, two hundred fifty-six".