27881468 has 12 divisors (see below), whose sum is σ = 48847512. Its totient is φ = 13925040.

The previous prime is 27881429. The next prime is 27881471. The reversal of 27881468 is 86418872.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (4070626).

Almost surely, 2^27881468 is an apocalyptic number.

It is an amenable number.

27881468 is a deficient number, since it is larger than the sum of its proper divisors (20966044).

27881468 is a wasteful number, since it uses less digits than its factorization.

27881468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852 (or 7850 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 27881468 is about 5280.2905223103. The cubic root of 27881468 is about 303.2297994952.

The spelling of 27881468 in words is "twenty-seven million, eight hundred eighty-one thousand, four hundred sixty-eight".