328508628888 has 128 divisors (see below), whose sum is σ = 917652384000. Its totient is φ = 97162053120.

The previous prime is 328508628883. The next prime is 328508628907. The reversal of 328508628888 is 888826805823.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328508628883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1842798 + ... + 2013186.

It is an arithmetic number, because the mean of its divisors is an integer number (7169159250).

Almost surely, 2^328508628888 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 328508628888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458826192000).

328508628888 is an abundant number, since it is smaller than the sum of its proper divisors (589143755112).

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

328508628888 is a wasteful number, since it uses less digits than its factorization.

328508628888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170585 (or 170581 counting only the distinct ones).

The product of its (nonzero) digits is 94371840, while the sum is 66.

The spelling of 328508628888 in words is "three hundred twenty-eight billion, five hundred eight million, six hundred twenty-eight thousand, eight hundred eighty-eight".