27244061147 has 2 divisors, whose sum is σ = 27244061148. Its totient is φ = 27244061146.

The previous prime is 27244061129. The next prime is 27244061153. The reversal of 27244061147 is 74116044272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27244061147 - 2¹² = 27244057051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27244061147.

It is not a weakly prime, because it can be changed into another prime (27244069147) by changing a digit.

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 as a sum of consecutive naturals, namely, 13622030573 + 13622030574.

It is an arithmetic number, because the mean of its divisors is an integer number (13622030574).

Almost surely, 2^27244061147 is an apocalyptic number.

27244061147 is a deficient number, since it is larger than the sum of its proper divisors (1).

27244061147 is an equidigital number, since it uses as much as digits as its factorization.

27244061147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 27244061147 in words is "twenty-seven billion, two hundred forty-four million, sixty-one thousand, one hundred forty-seven".