27400750171 has 2 divisors, whose sum is σ = 27400750172. Its totient is φ = 27400750170.

The previous prime is 27400750163. The next prime is 27400750213. The reversal of 27400750171 is 17105700472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27400750171 - 2³ = 27400750163 is a prime.

It is a super-2 number, since 2×27400750171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27400757171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700375085 + 13700375086.

It is an arithmetic number, because the mean of its divisors is an integer number (13700375086).

Almost surely, 2^27400750171 is an apocalyptic number.

27400750171 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400750171 is an equidigital number, since it uses as much as digits as its factorization.

27400750171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13720, while the sum is 34.

The spelling of 27400750171 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, one hundred seventy-one".