328763647968 has 96 divisors (see below), whose sum is σ = 999801927936. Its totient is φ = 92645710848.

The previous prime is 328763647943. The next prime is 328763647969. The reversal of 328763647968 is 869746367823.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328763647969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301846 + ... + 3399957.

It is an arithmetic number, because the mean of its divisors is an integer number (10414603416).

Almost surely, 2^328763647968 is an apocalyptic number.

It is an amenable number.

328763647968 is an abundant number, since it is smaller than the sum of its proper divisors (671038279968).

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

328763647968 is a wasteful number, since it uses less digits than its factorization.

328763647968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701896 (or 6701888 counting only the distinct ones).

The product of its digits is 438939648, while the sum is 69.

The spelling of 328763647968 in words is "three hundred twenty-eight billion, seven hundred sixty-three million, six hundred forty-seven thousand, nine hundred sixty-eight".