850083173 has 2 divisors, whose sum is σ = 850083174. Its totient is φ = 850083172.

The previous prime is 850083109. The next prime is 850083191. The reversal of 850083173 is 371380058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826102564 + 23980609 = 28742^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 850083173 - 2⁶ = 850083109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850083193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425041586 + 425041587.

It is an arithmetic number, because the mean of its divisors is an integer number (425041587).

Almost surely, 2^850083173 is an apocalyptic number.

It is an amenable number.

850083173 is a deficient number, since it is larger than the sum of its proper divisors (1).

850083173 is an equidigital number, since it uses as much as digits as its factorization.

850083173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 850083173 is about 29156.1858445168. The cubic root of 850083173 is about 947.2991330963.

The spelling of 850083173 in words is "eight hundred fifty million, eighty-three thousand, one hundred seventy-three".