27888113 has 4 divisors (see below), whose sum is σ = 30423408. Its totient is φ = 25352820.

The previous prime is 27888103. The next prime is 27888137. The reversal of 27888113 is 31188872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27888113 - 2⁴ = 27888097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27888103) 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, 1267631 + ... + 1267652.

It is an arithmetic number, because the mean of its divisors is an integer number (7605852).

Almost surely, 2^27888113 is an apocalyptic number.

It is an amenable number.

27888113 is a deficient number, since it is larger than the sum of its proper divisors (2535295).

27888113 is a wasteful number, since it uses less digits than its factorization.

27888113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535294.

The product of its digits is 21504, while the sum is 38.

The square root of 27888113 is about 5280.9197115654. The cubic root of 27888113 is about 303.2538872030.

It can be divided in two parts, 2788 and 8113, that added together give a palindrome (10901).

The spelling of 27888113 in words is "twenty-seven million, eight hundred eighty-eight thousand, one hundred thirteen".