328728136097 has 16 divisors (see below), whose sum is σ = 344966392512. Its totient is φ = 312970817280.

The previous prime is 328728136081. The next prime is 328728136117. The reversal of 328728136097 is 790631827823.

It is a cyclic number.

It is not a de Polignac number, because 328728136097 - 2⁴ = 328728136081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328728136897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265268 + ... + 853125.

It is an arithmetic number, because the mean of its divisors is an integer number (21560399532).

Almost surely, 2^328728136097 is an apocalyptic number.

It is an amenable number.

328728136097 is a deficient number, since it is larger than the sum of its proper divisors (16238256415).

328728136097 is a wasteful number, since it uses less digits than its factorization.

328728136097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118608.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 328728136097 in words is "three hundred twenty-eight billion, seven hundred twenty-eight million, one hundred thirty-six thousand, ninety-seven".