27879968 has 12 divisors (see below), whose sum is σ = 54888750. Its totient is φ = 13939968.

The previous prime is 27879947. The next prime is 27879997. The reversal of 27879968 is 86997872.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 2999824 = 4988^2 + 1732^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435593 + ... + 435656.

Almost surely, 2^27879968 is an apocalyptic number.

It is an amenable number.

27879968 is a deficient number, since it is larger than the sum of its proper divisors (27008782).

27879968 is an equidigital number, since it uses as much as digits as its factorization.

27879968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871259 (or 871251 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 27879968 is about 5280.1484827607. The cubic root of 27879968 is about 303.2243615599.

The spelling of 27879968 in words is "twenty-seven million, eight hundred seventy-nine thousand, nine hundred sixty-eight".