27580113 has 24 divisors (see below), whose sum is σ = 44181696. Its totient is φ = 16437600.

The previous prime is 27580099. The next prime is 27580123. The reversal of 27580113 is 31108572.

It is not a de Polignac number, because 27580113 - 2⁸ = 27579857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27580123) 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 23 ways as a sum of consecutive naturals, for example, 3756 + ... + 8322.

It is an arithmetic number, because the mean of its divisors is an integer number (1840904).

Almost surely, 2^27580113 is an apocalyptic number.

It is an amenable number.

27580113 is a deficient number, since it is larger than the sum of its proper divisors (16601583).

27580113 is a wasteful number, since it uses less digits than its factorization.

27580113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 27580113 is about 5251.6771606792. The cubic root of 27580113 is about 302.1333599569.

Adding to 27580113 its reverse (31108572), we get a palindrome (58688685).

The spelling of 27580113 in words is "twenty-seven million, five hundred eighty thousand, one hundred thirteen".