328324711865 has 16 divisors (see below), whose sum is σ = 417869063568. Its totient is φ = 246792278016.

The previous prime is 328324711853. The next prime is 328324711873. The reversal of 328324711865 is 568117423823.

It can be written as a sum of positive squares in 8 ways, for example, as 20873314576 + 307451397289 = 144476^2 + 554483^2 .

It is a cyclic number.

It is not a de Polignac number, because 328324711865 - 2⁶ = 328324711801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3206462 + ... + 3307271.

It is an arithmetic number, because the mean of its divisors is an integer number (26116816473).

Almost surely, 2^328324711865 is an apocalyptic number.

It is an amenable number.

328324711865 is a deficient number, since it is larger than the sum of its proper divisors (89544351703).

328324711865 is a wasteful number, since it uses less digits than its factorization.

328324711865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514348.

The product of its digits is 1935360, while the sum is 50.

The spelling of 328324711865 in words is "three hundred twenty-eight billion, three hundred twenty-four million, seven hundred eleven thousand, eight hundred sixty-five".