328688106791 has 8 divisors (see below), whose sum is σ = 362119031568. Its totient is φ = 295848880000.

The previous prime is 328688106767. The next prime is 328688106833. The reversal of 328688106791 is 197601886823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328688106791 - 2¹⁸ = 328687844647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328688106791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328688106191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147923330 + ... + 147925551.

It is an arithmetic number, because the mean of its divisors is an integer number (45264878946).

Almost surely, 2^328688106791 is an apocalyptic number.

328688106791 is a deficient number, since it is larger than the sum of its proper divisors (33430924777).

328688106791 is a wasteful number, since it uses less digits than its factorization.

328688106791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295848993.

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

The spelling of 328688106791 in words is "three hundred twenty-eight billion, six hundred eighty-eight million, one hundred six thousand, seven hundred ninety-one".