27147568271 has 16 divisors (see below), whose sum is σ = 28158620160. Its totient is φ = 26156027520.

The previous prime is 27147568267. The next prime is 27147568289. The reversal of 27147568271 is 17286574172.

It is a cyclic number.

It is not a de Polignac number, because 27147568271 - 2² = 27147568267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27147568291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012010 + ... + 1038488.

It is an arithmetic number, because the mean of its divisors is an integer number (1759913760).

Almost surely, 2^27147568271 is an apocalyptic number.

27147568271 is a deficient number, since it is larger than the sum of its proper divisors (1011051889).

27147568271 is a wasteful number, since it uses less digits than its factorization.

27147568271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26846.

The product of its digits is 1317120, while the sum is 50.

The spelling of 27147568271 in words is "twenty-seven billion, one hundred forty-seven million, five hundred sixty-eight thousand, two hundred seventy-one".