27850887 has 12 divisors (see below), whose sum is σ = 40781104. Its totient is φ = 18312480.

The previous prime is 27850883. The next prime is 27850919. The reversal of 27850887 is 78805872.

It is a happy number.

It is not a de Polignac number, because 27850887 - 2² = 27850883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27850883) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20539 + ... + 21852.

Almost surely, 2^27850887 is an apocalyptic number.

27850887 is a deficient number, since it is larger than the sum of its proper divisors (12930217).

27850887 is a wasteful number, since it uses less digits than its factorization.

27850887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42470 (or 42467 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 27850887 is about 5277.3939591431. The cubic root of 27850887 is about 303.1188959270.

The spelling of 27850887 in words is "twenty-seven million, eight hundred fifty thousand, eight hundred eighty-seven".