328607503500 has 96 divisors (see below), whose sum is σ = 957511219392. Its totient is φ = 87573158400.

The previous prime is 328607503481. The next prime is 328607503507. The reversal of 328607503500 is 5305706823.

It is not an unprimeable number, because it can be changed into a prime (328607503507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2326912 + ... + 2464088.

It is an arithmetic number, because the mean of its divisors is an integer number (9974075202).

Almost surely, 2^328607503500 is an apocalyptic number.

328607503500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328607503500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478755609696).

328607503500 is an abundant number, since it is smaller than the sum of its proper divisors (628903715892).

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

328607503500 is a wasteful number, since it uses less digits than its factorization.

328607503500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138796 (or 138784 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 328607503500 in words is "three hundred twenty-eight billion, six hundred seven million, five hundred three thousand, five hundred".