27880256 has 28 divisors (see below), whose sum is σ = 55522368. Its totient is φ = 13890432.

The previous prime is 27880249. The next prime is 27880261. The reversal of 27880256 is 65208872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22895 + ... + 24081.

Almost surely, 2^27880256 is an apocalyptic number.

It is an amenable number.

27880256 is a deficient number, since it is larger than the sum of its proper divisors (27642112).

27880256 is a wasteful number, since it uses less digits than its factorization.

27880256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 27880256 is about 5280.1757546506. The cubic root of 27880256 is about 303.2254056586.

The spelling of 27880256 in words is "twenty-seven million, eight hundred eighty thousand, two hundred fifty-six".