27288080 has 40 divisors (see below), whose sum is σ = 63692352. Its totient is φ = 10872704.

The previous prime is 27288067. The next prime is 27288089. The reversal of 27288080 is 8088272.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 27288080.

It is not an unprimeable number, because it can be changed into a prime (27288089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27269 + ... + 28251.

Almost surely, 2^27288080 is an apocalyptic number.

27288080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27288080 is an abundant number, since it is smaller than the sum of its proper divisors (36404272).

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

27288080 is a wasteful number, since it uses less digits than its factorization.

27288080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 27288080 is about 5223.7993835905. The cubic root of 27288080 is about 301.0631905977.

The spelling of 27288080 in words is "twenty-seven million, two hundred eighty-eight thousand, eighty".