27387128 has 16 divisors (see below), whose sum is σ = 51422280. Its totient is φ = 13674528.

The previous prime is 27387091. The next prime is 27387161. The reversal of 27387128 is 82178372.

It is a junction number, because it is equal to n+sod(n) for n = 27387091 and 27387100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126 + ... + 9002.

Almost surely, 2^27387128 is an apocalyptic number.

It is an amenable number.

27387128 is a deficient number, since it is larger than the sum of its proper divisors (24035152).

27387128 is a wasteful number, since it uses less digits than its factorization.

27387128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 4762 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 27387128 is about 5233.2712522857. The cubic root of 27387128 is about 301.4270087978.

The spelling of 27387128 in words is "twenty-seven million, three hundred eighty-seven thousand, one hundred twenty-eight".