27080017 has 4 divisors (see below), whose sum is σ = 27132516. Its totient is φ = 27027520.

The previous prime is 27080003. The next prime is 27080021. The reversal of 27080017 is 71008072.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 12609601 = 3804^2 + 3551^2 .

It is a cyclic number.

It is not a de Polignac number, because 27080017 - 2⁷ = 27079889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27079973 and 27080000.

It is not an unprimeable number, because it can be changed into a prime (27080057) 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, 25468 + ... + 26509.

It is an arithmetic number, because the mean of its divisors is an integer number (6783129).

Almost surely, 2^27080017 is an apocalyptic number.

It is an amenable number.

27080017 is a deficient number, since it is larger than the sum of its proper divisors (52499).

27080017 is an equidigital number, since it uses as much as digits as its factorization.

27080017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52498.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 27080017 is about 5203.8463659105. The cubic root of 27080017 is about 300.2960669776.

Adding to 27080017 its reverse (71008072), we get a palindrome (98088089).

The spelling of 27080017 in words is "twenty-seven million, eighty thousand, seventeen".