84967171 has 2 divisors, whose sum is σ = 84967172. Its totient is φ = 84967170.

The previous prime is 84967163. The next prime is 84967177. The reversal of 84967171 is 17176948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84967171 - 2³ = 84967163 is a prime.

It is not a weakly prime, because it can be changed into another prime (84967177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42483585 + 42483586.

It is an arithmetic number, because the mean of its divisors is an integer number (42483586).

Almost surely, 2^84967171 is an apocalyptic number.

84967171 is a deficient number, since it is larger than the sum of its proper divisors (1).

84967171 is an equidigital number, since it uses as much as digits as its factorization.

84967171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The square root of 84967171 is about 9217.7638828514. The cubic root of 84967171 is about 439.6263546243.

The spelling of 84967171 in words is "eighty-four million, nine hundred sixty-seven thousand, one hundred seventy-one".