27080805 has 16 divisors (see below), whose sum is σ = 43879680. Its totient is φ = 14259648.

The previous prime is 27080803. The next prime is 27080819. The reversal of 27080805 is 50808072.

It is not a de Polignac number, because 27080805 - 2¹ = 27080803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27080803) 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 15 ways as a sum of consecutive naturals, for example, 10242 + ... + 12611.

It is an arithmetic number, because the mean of its divisors is an integer number (2742480).

Almost surely, 2^27080805 is an apocalyptic number.

It is an amenable number.

27080805 is a deficient number, since it is larger than the sum of its proper divisors (16798875).

27080805 is a wasteful number, since it uses less digits than its factorization.

27080805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22940.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 27080805 is about 5203.9220785865. The cubic root of 27080805 is about 300.2989797159.

Adding to 27080805 its reverse (50808072), we get a palindrome (77888877).

It can be divided in two parts, 2 and 7080805, that added together give a palindrome (7080807).

The spelling of 27080805 in words is "twenty-seven million, eighty thousand, eight hundred five".