27887148 has 18 divisors (see below), whose sum is σ = 70492604. Its totient is φ = 9295704.

The previous prime is 27887143. The next prime is 27887161. The reversal of 27887148 is 84178872.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (27887141) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 387286 + ... + 387357.

Almost surely, 2^27887148 is an apocalyptic number.

It is an amenable number.

27887148 is an abundant number, since it is smaller than the sum of its proper divisors (42605456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27887148 is a wasteful number, since it uses less digits than its factorization.

27887148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774653 (or 774648 counting only the distinct ones).

The product of its digits is 200704, while the sum is 45.

The square root of 27887148 is about 5280.8283441142. The cubic root of 27887148 is about 303.2503893761.

The spelling of 27887148 in words is "twenty-seven million, eight hundred eighty-seven thousand, one hundred forty-eight".