27987488 has 24 divisors (see below), whose sum is σ = 55802880. Its totient is φ = 13815360.

The previous prime is 27987467. The next prime is 27987493. The reversal of 27987488 is 88478972.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3008 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (2325120).

Almost surely, 2^27987488 is an apocalyptic number.

It is an amenable number.

27987488 is a deficient number, since it is larger than the sum of its proper divisors (27815392).

27987488 is a wasteful number, since it uses less digits than its factorization.

27987488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160 (or 11152 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 53.

The square root of 27987488 is about 5290.3202171513. The cubic root of 27987488 is about 303.6136597329.

The spelling of 27987488 in words is "twenty-seven million, nine hundred eighty-seven thousand, four hundred eighty-eight".