27355589047 has 2 divisors, whose sum is σ = 27355589048. Its totient is φ = 27355589046.

The previous prime is 27355588933. The next prime is 27355589059. The reversal of 27355589047 is 74098555372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27355589047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27355589147) 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, 13677794523 + 13677794524.

It is an arithmetic number, because the mean of its divisors is an integer number (13677794524).

Almost surely, 2^27355589047 is an apocalyptic number.

27355589047 is a deficient number, since it is larger than the sum of its proper divisors (1).

27355589047 is an equidigital number, since it uses as much as digits as its factorization.

27355589047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 27355589047 in words is "twenty-seven billion, three hundred fifty-five million, five hundred eighty-nine thousand, forty-seven".