27734667245 has 4 divisors (see below), whose sum is σ = 33281600700. Its totient is φ = 22187733792.

The previous prime is 27734667209. The next prime is 27734667271. The reversal of 27734667245 is 54276643772.

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 20175929764 + 7558737481 = 142042^2 + 86941^2 .

It is a cyclic number.

It is not a de Polignac number, because 27734667245 - 2¹⁰ = 27734666221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773466720 + ... + 2773466729.

It is an arithmetic number, because the mean of its divisors is an integer number (8320400175).

Almost surely, 2^27734667245 is an apocalyptic number.

It is an amenable number.

27734667245 is a deficient number, since it is larger than the sum of its proper divisors (5546933455).

27734667245 is an equidigital number, since it uses as much as digits as its factorization.

27734667245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546933454.

The product of its digits is 11854080, while the sum is 53.

The spelling of 27734667245 in words is "twenty-seven billion, seven hundred thirty-four million, six hundred sixty-seven thousand, two hundred forty-five".