27880168 has 16 divisors (see below), whose sum is σ = 53491680. Its totient is φ = 13615728.

The previous prime is 27880159. The next prime is 27880169. The reversal of 27880168 is 86108872.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 27880168.

It is not an unprimeable number, because it can be changed into a prime (27880169) 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, 40180 + ... + 40867.

It is an arithmetic number, because the mean of its divisors is an integer number (3343230).

Almost surely, 2^27880168 is an apocalyptic number.

It is an amenable number.

27880168 is a deficient number, since it is larger than the sum of its proper divisors (25611512).

27880168 is a wasteful number, since it uses less digits than its factorization.

27880168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81096 (or 81092 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 27880168 is about 5280.1674215881. The cubic root of 27880168 is about 303.2250866292.

The spelling of 27880168 in words is "twenty-seven million, eight hundred eighty thousand, one hundred sixty-eight".