1327728267 has 10 divisors (see below), whose sum is σ = 1983396668. Its totient is φ = 885152124.

The previous prime is 1327728263. The next prime is 1327728277. The reversal of 1327728267 is 7628277231.

It is not a de Polignac number, because 1327728267 - 2² = 1327728263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327728263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8195773 + ... + 8195934.

Almost surely, 2^1327728267 is an apocalyptic number.

1327728267 is a deficient number, since it is larger than the sum of its proper divisors (655668401).

1327728267 is an equidigital number, since it uses as much as digits as its factorization.

1327728267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16391719 (or 16391710 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 1327728267 is about 36438.0058043796. The cubic root of 1327728267 is about 1099.0979566343.

The spelling of 1327728267 in words is "one billion, three hundred twenty-seven million, seven hundred twenty-eight thousand, two hundred sixty-seven".