27081671 has 2 divisors, whose sum is σ = 27081672. Its totient is φ = 27081670.

The previous prime is 27081647. The next prime is 27081683. The reversal of 27081671 is 17618072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27081671 - 2²² = 22887367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27081611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13540835 + 13540836.

It is an arithmetic number, because the mean of its divisors is an integer number (13540836).

Almost surely, 2^27081671 is an apocalyptic number.

27081671 is a deficient number, since it is larger than the sum of its proper divisors (1).

27081671 is an equidigital number, since it uses as much as digits as its factorization.

27081671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 27081671 is about 5204.0052843939. The cubic root of 27081671 is about 300.3021807057.

The spelling of 27081671 in words is "twenty-seven million, eighty-one thousand, six hundred seventy-one".