27887842 has 8 divisors (see below), whose sum is σ = 42066000. Its totient is φ = 13865844.

The previous prime is 27887813. The next prime is 27887843. The reversal of 27887842 is 24878872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27887792 and 27887801.

It is not an unprimeable number, because it can be changed into a prime (27887843) 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 3 ways as a sum of consecutive naturals, for example, 38592 + ... + 39307.

It is an arithmetic number, because the mean of its divisors is an integer number (5258250).

Almost surely, 2^27887842 is an apocalyptic number.

27887842 is a deficient number, since it is larger than the sum of its proper divisors (14178158).

27887842 is a wasteful number, since it uses less digits than its factorization.

27887842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080.

The product of its digits is 401408, while the sum is 46.

The square root of 27887842 is about 5280.8940530937. The cubic root of 27887842 is about 303.2529049199.

The spelling of 27887842 in words is "twenty-seven million, eight hundred eighty-seven thousand, eight hundred forty-two".