328810716689 has 32 divisors (see below), whose sum is σ = 410462271744. Its totient is φ = 256451235840.

The previous prime is 328810716677. The next prime is 328810716721. The reversal of 328810716689 is 986617018823.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 328810716689 - 2⁴ = 328810716673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328840716689) 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, 12814817 + ... + 12840449.

It is an arithmetic number, because the mean of its divisors is an integer number (12826945992).

Almost surely, 2^328810716689 is an apocalyptic number.

It is an amenable number.

328810716689 is a deficient number, since it is larger than the sum of its proper divisors (81651555055).

328810716689 is a wasteful number, since it uses less digits than its factorization.

328810716689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27657.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 328810716689 in words is "three hundred twenty-eight billion, eight hundred ten million, seven hundred sixteen thousand, six hundred eighty-nine".