1327864028 has 12 divisors (see below), whose sum is σ = 2324663040. Its totient is φ = 663674592.

The previous prime is 1327863997. The next prime is 1327864061. The reversal of 1327864028 is 8204687231.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 52508 + ... + 73571.

It is an arithmetic number, because the mean of its divisors is an integer number (193721920).

Almost surely, 2^1327864028 is an apocalyptic number.

It is an amenable number.

1327864028 is a deficient number, since it is larger than the sum of its proper divisors (996799012).

1327864028 is a wasteful number, since it uses less digits than its factorization.

1327864028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128716 (or 128714 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1327864028 is about 36439.8686605756. The cubic root of 1327864028 is about 1099.1354164961.

The spelling of 1327864028 in words is "one billion, three hundred twenty-seven million, eight hundred sixty-four thousand, twenty-eight".