328277678628 has 96 divisors (see below), whose sum is σ = 816301027584. Its totient is φ = 102321737728.

The previous prime is 328277678591. The next prime is 328277678633. The reversal of 328277678628 is 826876772823.

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, 73652176 + ... + 73656632.

It is an arithmetic number, because the mean of its divisors is an integer number (8503135704).

Almost surely, 2^328277678628 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 328277678628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408150513792).

328277678628 is an abundant number, since it is smaller than the sum of its proper divisors (488023348956).

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

328277678628 is a wasteful number, since it uses less digits than its factorization.

328277678628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741 (or 6739 counting only the distinct ones).

The product of its digits is 151732224, while the sum is 66.

The spelling of 328277678628 in words is "three hundred twenty-eight billion, two hundred seventy-seven million, six hundred seventy-eight thousand, six hundred twenty-eight".