27051611827 has 2 divisors, whose sum is σ = 27051611828. Its totient is φ = 27051611826.

The previous prime is 27051611819. The next prime is 27051611831. The reversal of 27051611827 is 72811615072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27051611827 - 2³ = 27051611819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27051611827.

It is not a weakly prime, because it can be changed into another prime (27051611837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13525805913 + 13525805914.

It is an arithmetic number, because the mean of its divisors is an integer number (13525805914).

Almost surely, 2^27051611827 is an apocalyptic number.

27051611827 is a deficient number, since it is larger than the sum of its proper divisors (1).

27051611827 is an equidigital number, since it uses as much as digits as its factorization.

27051611827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 27051611827 in words is "twenty-seven billion, fifty-one million, six hundred eleven thousand, eight hundred twenty-seven".