328528878216 has 288 divisors, whose sum is σ = 1064587093920. Its totient is φ = 84160581120.

The previous prime is 328528878211. The next prime is 328528878299. The reversal of 328528878216 is 612878825823.

328528878216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 328528878216.

It is not an unprimeable number, because it can be changed into a prime (328528878211) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10371795 + ... + 10403421.

It is an arithmetic number, because the mean of its divisors is an integer number (3696482965).

Almost surely, 2^328528878216 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 328528878216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532293546960).

328528878216 is an abundant number, since it is smaller than the sum of its proper divisors (736058215704).

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

328528878216 is a wasteful number, since it uses less digits than its factorization.

328528878216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31745 (or 31723 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 60.

The spelling of 328528878216 in words is "three hundred twenty-eight billion, five hundred twenty-eight million, eight hundred seventy-eight thousand, two hundred sixteen".