328832219676385 has 4 divisors (see below), whose sum is σ = 394598663611668. Its totient is φ = 263065775741104.

The previous prime is 328832219676379. The next prime is 328832219676557. The reversal of 328832219676385 is 583676912238823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38841700400721 + 289990519275664 = 6232311^2 + 17029108^2 .

It is a cyclic number.

It is not a de Polignac number, because 328832219676385 - 2¹⁵ = 328832219643617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32883221967634 + ... + 32883221967643.

It is an arithmetic number, because the mean of its divisors is an integer number (98649665902917).

Almost surely, 2^{328832219676385} is an apocalyptic number.

It is an amenable number.

328832219676385 is a deficient number, since it is larger than the sum of its proper divisors (65766443935283).

328832219676385 is an equidigital number, since it uses as much as digits as its factorization.

328832219676385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65766443935282.

The product of its digits is 1254113280, while the sum is 73.

The spelling of 328832219676385 in words is "three hundred twenty-eight trillion, eight hundred thirty-two billion, two hundred nineteen million, six hundred seventy-six thousand, three hundred eighty-five".