27084118205 has 4 divisors (see below), whose sum is σ = 32500941852. Its totient is φ = 21667294560.

The previous prime is 27084118189. The next prime is 27084118207. The reversal of 27084118205 is 50281148072.

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 10278107161 + 16806011044 = 101381^2 + 129638^2 .

It is not a de Polignac number, because 27084118205 - 2⁴ = 27084118189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27084118207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708411816 + ... + 2708411825.

It is an arithmetic number, because the mean of its divisors is an integer number (8125235463).

Almost surely, 2^27084118205 is an apocalyptic number.

It is an amenable number.

27084118205 is a deficient number, since it is larger than the sum of its proper divisors (5416823647).

27084118205 is an equidigital number, since it uses as much as digits as its factorization.

27084118205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416823646.

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 27084118205 in words is "twenty-seven billion, eighty-four million, one hundred eighteen thousand, two hundred five".