27668171 has 2 divisors, whose sum is σ = 27668172. Its totient is φ = 27668170.

The previous prime is 27668141. The next prime is 27668177. The reversal of 27668171 is 17186672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27668171 - 2⁶ = 27668107 is a prime.

It is not a weakly prime, because it can be changed into another prime (27668177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13834085 + 13834086.

It is an arithmetic number, because the mean of its divisors is an integer number (13834086).

Almost surely, 2^27668171 is an apocalyptic number.

27668171 is a deficient number, since it is larger than the sum of its proper divisors (1).

27668171 is an equidigital number, since it uses as much as digits as its factorization.

27668171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 27668171 is about 5260.0542772865. The cubic root of 27668171 is about 302.4545695953.

The spelling of 27668171 in words is "twenty-seven million, six hundred sixty-eight thousand, one hundred seventy-one".