27844532347 has 2 divisors, whose sum is σ = 27844532348. Its totient is φ = 27844532346.

The previous prime is 27844532333. The next prime is 27844532369. The reversal of 27844532347 is 74323544872.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27844532347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27844532347.

It is not a weakly prime, because it can be changed into another prime (27844538347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13922266173 + 13922266174.

It is an arithmetic number, because the mean of its divisors is an integer number (13922266174).

Almost surely, 2^27844532347 is an apocalyptic number.

27844532347 is a deficient number, since it is larger than the sum of its proper divisors (1).

27844532347 is an equidigital number, since it uses as much as digits as its factorization.

27844532347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 49.

The spelling of 27844532347 in words is "twenty-seven billion, eight hundred forty-four million, five hundred thirty-two thousand, three hundred forty-seven".