27618941227 has 4 divisors (see below), whose sum is σ = 28365399136. Its totient is φ = 26872483320.

The previous prime is 27618941179. The next prime is 27618941239. The reversal of 27618941227 is 72214981672.

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

It is a cyclic number.

It is not a de Polignac number, because 27618941227 - 2⁷ = 27618941099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27618941297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373228899 + ... + 373228972.

It is an arithmetic number, because the mean of its divisors is an integer number (7091349784).

Almost surely, 2^27618941227 is an apocalyptic number.

27618941227 is a deficient number, since it is larger than the sum of its proper divisors (746457909).

27618941227 is an equidigital number, since it uses as much as digits as its factorization.

27618941227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746457908.

The product of its digits is 677376, while the sum is 49.

The spelling of 27618941227 in words is "twenty-seven billion, six hundred eighteen million, nine hundred forty-one thousand, two hundred twenty-seven".