27788048 has 20 divisors (see below), whose sum is σ = 56180928. Its totient is φ = 13289760.

The previous prime is 27788041. The next prime is 27788083. The reversal of 27788048 is 84088772.

It is a happy number.

It is a super-2 number, since 2×27788048² = 1544351223300608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27788041) 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 3 ways as a sum of consecutive naturals, for example, 37388 + ... + 38123.

Almost surely, 2^27788048 is an apocalyptic number.

It is an amenable number.

27788048 is an abundant number, since it is smaller than the sum of its proper divisors (28392880).

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

27788048 is a wasteful number, since it uses less digits than its factorization.

27788048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75542 (or 75536 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 27788048 is about 5271.4369957347. The cubic root of 27788048 is about 302.8907520043.

The spelling of 27788048 in words is "twenty-seven million, seven hundred eighty-eight thousand, forty-eight".