84260171 has 2 divisors, whose sum is σ = 84260172. Its totient is φ = 84260170.

The previous prime is 84260153. The next prime is 84260179. The reversal of 84260171 is 17106248.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84260171 is a prime.

It is not a weakly prime, because it can be changed into another prime (84260179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42130085 + 42130086.

It is an arithmetic number, because the mean of its divisors is an integer number (42130086).

Almost surely, 2^84260171 is an apocalyptic number.

84260171 is a deficient number, since it is larger than the sum of its proper divisors (1).

84260171 is an equidigital number, since it uses as much as digits as its factorization.

84260171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 84260171 is about 9179.3339082964. Note that the first 3 decimals coincide. The cubic root of 84260171 is about 438.4036003082.

The spelling of 84260171 in words is "eighty-four million, two hundred sixty thousand, one hundred seventy-one".