27471445227 has 12 divisors (see below), whose sum is σ = 40183268320. Its totient is φ = 18082469808.

The previous prime is 27471445189. The next prime is 27471445237. The reversal of 27471445227 is 72254417472.

It is not a de Polignac number, because 27471445227 - 2⁸ = 27471444971 is a prime.

It is a super-2 number, since 2×27471445227² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27471445237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19318168 + ... + 19319589.

Almost surely, 2^27471445227 is an apocalyptic number.

27471445227 is a deficient number, since it is larger than the sum of its proper divisors (12711823093).

27471445227 is a wasteful number, since it uses less digits than its factorization.

27471445227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38637842 (or 38637839 counting only the distinct ones).

The product of its digits is 878080, while the sum is 45.

The spelling of 27471445227 in words is "twenty-seven billion, four hundred seventy-one million, four hundred forty-five thousand, two hundred twenty-seven".