27427530163 has 24 divisors (see below), whose sum is σ = 31011829184. Its totient is φ = 24221514240.

The previous prime is 27427530131. The next prime is 27427530197. The reversal of 27427530163 is 36103572472.

It is not a de Polignac number, because 27427530163 - 2⁵ = 27427530131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27427530113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3008470 + ... + 3017572.

Almost surely, 2^27427530163 is an apocalyptic number.

27427530163 is a deficient number, since it is larger than the sum of its proper divisors (3584299021).

27427530163 is a wasteful number, since it uses less digits than its factorization.

27427530163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835 (or 9824 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 27427530163 in words is "twenty-seven billion, four hundred twenty-seven million, five hundred thirty thousand, one hundred sixty-three".