27123670227 has 4 divisors (see below), whose sum is σ = 36164893640. Its totient is φ = 18082446816.

The previous prime is 27123670169. The next prime is 27123670243. The reversal of 27123670227 is 72207632172.

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

It is not a de Polignac number, because 27123670227 - 2¹¹ = 27123668179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27123670927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4520611702 + ... + 4520611707.

It is an arithmetic number, because the mean of its divisors is an integer number (9041223410).

Almost surely, 2^27123670227 is an apocalyptic number.

27123670227 is a deficient number, since it is larger than the sum of its proper divisors (9041223413).

27123670227 is an equidigital number, since it uses as much as digits as its factorization.

27123670227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041223412.

The product of its (nonzero) digits is 98784, while the sum is 39.

The spelling of 27123670227 in words is "twenty-seven billion, one hundred twenty-three million, six hundred seventy thousand, two hundred twenty-seven".