27887873 has 12 divisors (see below), whose sum is σ = 30849408. Its totient is φ = 25187760.

The previous prime is 27887863. The next prime is 27887887. The reversal of 27887873 is 37878872.

It is not a de Polignac number, because 27887873 - 2¹⁰ = 27886849 is a prime.

It is a Duffinian number.

Its product of digits (1053696) is a multiple of the sum of its prime factors (3584).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27887813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6188 + ... + 9698.

It is an arithmetic number, because the mean of its divisors is an integer number (2570784).

Almost surely, 2^27887873 is an apocalyptic number.

It is an amenable number.

27887873 is a deficient number, since it is larger than the sum of its proper divisors (2961535).

27887873 is a wasteful number, since it uses less digits than its factorization.

27887873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584 (or 3571 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 50.

The square root of 27887873 is about 5280.8969882019. The cubic root of 27887873 is about 303.2530172847.

Subtracting 27887873 from its reverse (37878872), we obtain a palindrome (9990999).

The spelling of 27887873 in words is "twenty-seven million, eight hundred eighty-seven thousand, eight hundred seventy-three".