27960894827 has 2 divisors, whose sum is σ = 27960894828. Its totient is φ = 27960894826.

The previous prime is 27960894803. The next prime is 27960894853. The reversal of 27960894827 is 72849806972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27960894827 - 2¹² = 27960890731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27960894827.

It is not a weakly prime, because it can be changed into another prime (27960894877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13980447413 + 13980447414.

It is an arithmetic number, because the mean of its divisors is an integer number (13980447414).

Almost surely, 2^27960894827 is an apocalyptic number.

27960894827 is a deficient number, since it is larger than the sum of its proper divisors (1).

27960894827 is an equidigital number, since it uses as much as digits as its factorization.

27960894827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 27960894827 in words is "twenty-seven billion, nine hundred sixty million, eight hundred ninety-four thousand, eight hundred twenty-seven".