27882011 has 4 divisors (see below), whose sum is σ = 27915552. Its totient is φ = 27848472.

The previous prime is 27882007. The next prime is 27882031. The reversal of 27882011 is 11028872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27882011 - 2² = 27882007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27882031) 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 3 ways as a sum of consecutive naturals, for example, 15491 + ... + 17196.

It is an arithmetic number, because the mean of its divisors is an integer number (6978888).

Almost surely, 2^27882011 is an apocalyptic number.

27882011 is a deficient number, since it is larger than the sum of its proper divisors (33541).

27882011 is an equidigital number, since it uses as much as digits as its factorization.

27882011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33540.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 27882011 is about 5280.3419396853. The cubic root of 27882011 is about 303.2317679797.

The spelling of 27882011 in words is "twenty-seven million, eight hundred eighty-two thousand, eleven".