27672670171 has 2 divisors, whose sum is σ = 27672670172. Its totient is φ = 27672670170.

The previous prime is 27672670153. The next prime is 27672670279. The reversal of 27672670171 is 17107627672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27672670171 - 2⁷ = 27672670043 is a prime.

It is not a weakly prime, because it can be changed into another prime (27672670121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13836335085 + 13836335086.

It is an arithmetic number, because the mean of its divisors is an integer number (13836335086).

Almost surely, 2^27672670171 is an apocalyptic number.

27672670171 is a deficient number, since it is larger than the sum of its proper divisors (1).

27672670171 is an equidigital number, since it uses as much as digits as its factorization.

27672670171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345744, while the sum is 46.

The spelling of 27672670171 in words is "twenty-seven billion, six hundred seventy-two million, six hundred seventy thousand, one hundred seventy-one".