27888016 has 20 divisors (see below), whose sum is σ = 58189852. Its totient is φ = 12871296.

The previous prime is 27888011. The next prime is 27888071. The reversal of 27888016 is 61088872.

It can be written as a sum of positive squares in 2 ways, for example, as 18524416 + 9363600 = 4304^2 + 3060^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27888016.

It is not an unprimeable number, because it can be changed into a prime (27888011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66831 + ... + 67246.

Almost surely, 2^27888016 is an apocalyptic number.

27888016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27888016 is an abundant number, since it is smaller than the sum of its proper divisors (30301836).

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

27888016 is a wasteful number, since it uses less digits than its factorization.

27888016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134098 (or 134092 counting only the distinct ones).

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

The square root of 27888016 is about 5280.9105275511. The cubic root of 27888016 is about 303.2535356116.

The spelling of 27888016 in words is "twenty-seven million, eight hundred eighty-eight thousand, sixteen".