18327277328 has 10 divisors (see below), whose sum is σ = 35509099854. Its totient is φ = 9163638656.

The previous prime is 18327277307. The next prime is 18327277361. The reversal of 18327277328 is 82377272381.

It can be written as a sum of positive squares in only one way, i.e., 10532506384 + 7794770944 = 102628^2 + 88288^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572727401 + ... + 572727432.

Almost surely, 2^18327277328 is an apocalyptic number.

It is an amenable number.

18327277328 is a deficient number, since it is larger than the sum of its proper divisors (17181822526).

18327277328 is a wasteful number, since it uses less digits than its factorization.

18327277328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145454841 (or 1145454835 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 50.

The spelling of 18327277328 in words is "eighteen billion, three hundred twenty-seven million, two hundred seventy-seven thousand, three hundred twenty-eight".