328707643308 has 96 divisors (see below), whose sum is σ = 886869865728. Its totient is φ = 93649459200.

The previous prime is 328707643279. The next prime is 328707643333. The reversal of 328707643308 is 803346707823.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 2047728 + ... + 2202408.

It is an arithmetic number, because the mean of its divisors is an integer number (9238227768).

Almost surely, 2^328707643308 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 328707643308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443434932864).

328707643308 is an abundant number, since it is smaller than the sum of its proper divisors (558162222420).

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

328707643308 is a wasteful number, since it uses less digits than its factorization.

328707643308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155663 (or 155661 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 328707643308 in words is "three hundred twenty-eight billion, seven hundred seven million, six hundred forty-three thousand, three hundred eight".