27072047105 has 4 divisors (see below), whose sum is σ = 32486456532. Its totient is φ = 21657637680.

The previous prime is 27072047089. The next prime is 27072047159. The reversal of 27072047105 is 50174027072.

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 15170109889 + 11901937216 = 123167^2 + 109096^2 .

It is not a de Polignac number, because 27072047105 - 2⁴ = 27072047089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2707204706 + ... + 2707204715.

It is an arithmetic number, because the mean of its divisors is an integer number (8121614133).

Almost surely, 2^27072047105 is an apocalyptic number.

It is an amenable number.

27072047105 is a deficient number, since it is larger than the sum of its proper divisors (5414409427).

27072047105 is an equidigital number, since it uses as much as digits as its factorization.

27072047105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414409426.

The product of its (nonzero) digits is 27440, while the sum is 35.

The spelling of 27072047105 in words is "twenty-seven billion, seventy-two million, forty-seven thousand, one hundred five".