326787328847 has 16 divisors (see below), whose sum is σ = 385608652800. Its totient is φ = 271004577120.

The previous prime is 326787328837. The next prime is 326787328871. The reversal of 326787328847 is 748823787623.

It is a cyclic number.

It is not a de Polignac number, because 326787328847 - 2¹⁸ = 326787066703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326787328817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768029 + ... + 1115097.

It is an arithmetic number, because the mean of its divisors is an integer number (24100540800).

Almost surely, 2^326787328847 is an apocalyptic number.

326787328847 is a deficient number, since it is larger than the sum of its proper divisors (58821323953).

326787328847 is a wasteful number, since it uses less digits than its factorization.

326787328847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351446.

The product of its digits is 151732224, while the sum is 65.

The spelling of 326787328847 in words is "three hundred twenty-six billion, seven hundred eighty-seven million, three hundred twenty-eight thousand, eight hundred forty-seven".