27047436827 has 2 divisors, whose sum is σ = 27047436828. Its totient is φ = 27047436826.

The previous prime is 27047436817. The next prime is 27047436869. The reversal of 27047436827 is 72863474072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27047436827 - 2¹⁶ = 27047371291 is a prime.

It is not a weakly prime, because it can be changed into another prime (27047436817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13523718413 + 13523718414.

It is an arithmetic number, because the mean of its divisors is an integer number (13523718414).

Almost surely, 2^27047436827 is an apocalyptic number.

27047436827 is a deficient number, since it is larger than the sum of its proper divisors (1).

27047436827 is an equidigital number, since it uses as much as digits as its factorization.

27047436827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 27047436827 in words is "twenty-seven billion, forty-seven million, four hundred thirty-six thousand, eight hundred twenty-seven".