27875128 has 16 divisors (see below), whose sum is σ = 55017000. Its totient is φ = 13203936.

The previous prime is 27875117. The next prime is 27875129. The reversal of 27875128 is 82157872.

It is a super-2 number, since 2×27875128² = 1554045522032768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27875129) by changing a digit.

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, 91543 + ... + 91846.

Almost surely, 2^27875128 is an apocalyptic number.

It is an amenable number.

27875128 is a deficient number, since it is larger than the sum of its proper divisors (27141872).

27875128 is a wasteful number, since it uses less digits than its factorization.

27875128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183414 (or 183410 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 27875128 is about 5279.6901424231. The cubic root of 27875128 is about 303.2068138252.

The spelling of 27875128 in words is "twenty-seven million, eight hundred seventy-five thousand, one hundred twenty-eight".