27166383247 has 2 divisors, whose sum is σ = 27166383248. Its totient is φ = 27166383246.

The previous prime is 27166383239. The next prime is 27166383259. The reversal of 27166383247 is 74238366172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27166383247 - 2³ = 27166383239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27166383247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27166383547) 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, 13583191623 + 13583191624.

It is an arithmetic number, because the mean of its divisors is an integer number (13583191624).

Almost surely, 2^27166383247 is an apocalyptic number.

27166383247 is a deficient number, since it is larger than the sum of its proper divisors (1).

27166383247 is an equidigital number, since it uses as much as digits as its factorization.

27166383247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The spelling of 27166383247 in words is "twenty-seven billion, one hundred sixty-six million, three hundred eighty-three thousand, two hundred forty-seven".