84050171 has 2 divisors, whose sum is σ = 84050172. Its totient is φ = 84050170.

The previous prime is 84050137. The next prime is 84050173. The reversal of 84050171 is 17105048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84050171 - 2¹⁴ = 84033787 is a prime.

It is a Sophie Germain prime.

Together with 84050173, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84050171.

It is not a weakly prime, because it can be changed into another prime (84050173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42025085 + 42025086.

It is an arithmetic number, because the mean of its divisors is an integer number (42025086).

Almost surely, 2^84050171 is an apocalyptic number.

84050171 is a deficient number, since it is larger than the sum of its proper divisors (1).

84050171 is an equidigital number, since it uses as much as digits as its factorization.

84050171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 84050171 is about 9167.8880337840. Note that the first 3 decimals coincide. The cubic root of 84050171 is about 438.0390890380.

The spelling of 84050171 in words is "eighty-four million, fifty thousand, one hundred seventy-one".