27947576339 has 2 divisors, whose sum is σ = 27947576340. Its totient is φ = 27947576338.

The previous prime is 27947576297. The next prime is 27947576357. The reversal of 27947576339 is 93367574972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27947576339 is a prime.

It is not a weakly prime, because it can be changed into another prime (27947576359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13973788169 + 13973788170.

It is an arithmetic number, because the mean of its divisors is an integer number (13973788170).

Almost surely, 2^27947576339 is an apocalyptic number.

27947576339 is a deficient number, since it is larger than the sum of its proper divisors (1).

27947576339 is an equidigital number, since it uses as much as digits as its factorization.

27947576339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 62.

The spelling of 27947576339 in words is "twenty-seven billion, nine hundred forty-seven million, five hundred seventy-six thousand, three hundred thirty-nine".