27013880 has 16 divisors (see below), whose sum is σ = 60781320. Its totient is φ = 10805536.

The previous prime is 27013879. The next prime is 27013897. The reversal of 27013880 is 8831072.

It is a congruent number.

It is an unprimeable number.

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, 337634 + ... + 337713.

Almost surely, 2^27013880 is an apocalyptic number.

27013880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27013880 is an abundant number, since it is smaller than the sum of its proper divisors (33767440).

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

27013880 is a wasteful number, since it uses less digits than its factorization.

27013880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675358 (or 675354 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 27013880 is about 5197.4878547237. The cubic root of 27013880 is about 300.0513986009.

The spelling of 27013880 in words is "twenty-seven million, thirteen thousand, eight hundred eighty".