328239919815 has 16 divisors (see below), whose sum is σ = 525220821888. Its totient is φ = 175048973856.

The previous prime is 328239919729. The next prime is 328239919817. The reversal of 328239919815 is 518919932823.

It is not a de Polignac number, because 328239919815 - 2¹² = 328239915719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328239919817) 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, 547417 + ... + 977826.

It is an arithmetic number, because the mean of its divisors is an integer number (32826301368).

Almost surely, 2^328239919815 is an apocalyptic number.

328239919815 is a deficient number, since it is larger than the sum of its proper divisors (196980902073).

328239919815 is a wasteful number, since it uses less digits than its factorization.

328239919815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539598.

The product of its digits is 8398080, while the sum is 60.

The spelling of 328239919815 in words is "three hundred twenty-eight billion, two hundred thirty-nine million, nine hundred nineteen thousand, eight hundred fifteen".