27844164205 has 32 divisors (see below), whose sum is σ = 40961168640. Its totient is φ = 17879854080.

The previous prime is 27844164151. The next prime is 27844164239. The reversal of 27844164205 is 50246144872.

It is not a de Polignac number, because 27844164205 - 2⁷ = 27844164077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830140 + ... + 863029.

It is an arithmetic number, because the mean of its divisors is an integer number (1280036520).

Almost surely, 2^27844164205 is an apocalyptic number.

It is an amenable number.

27844164205 is a deficient number, since it is larger than the sum of its proper divisors (13117004435).

27844164205 is a wasteful number, since it uses less digits than its factorization.

27844164205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693221.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 27844164205 in words is "twenty-seven billion, eight hundred forty-four million, one hundred sixty-four thousand, two hundred five".