27328887 has 32 divisors (see below), whose sum is σ = 42332160. Its totient is φ = 17405280.

The previous prime is 27328871. The next prime is 27328913. The reversal of 27328887 is 78882372.

It is not a de Polignac number, because 27328887 - 2⁴ = 27328871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27328487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86053 + ... + 86369.

It is an arithmetic number, because the mean of its divisors is an integer number (1322880).

Almost surely, 2^27328887 is an apocalyptic number.

27328887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27328887 is a deficient number, since it is larger than the sum of its proper divisors (15003273).

27328887 is a wasteful number, since it uses less digits than its factorization.

27328887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 27328887 is about 5227.7037980360. The cubic root of 27328887 is about 301.2131873085.

The spelling of 27328887 in words is "twenty-seven million, three hundred twenty-eight thousand, eight hundred eighty-seven".