850214873 has 2 divisors, whose sum is σ = 850214874. Its totient is φ = 850214872.

The previous prime is 850214861. The next prime is 850214887. The reversal of 850214873 is 378412058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849839104 + 375769 = 29152^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 850214873 - 2⁴ = 850214857 is a prime.

It is a super-2 number, since 2×850214873² = 1445730660540812258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (850214843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425107436 + 425107437.

It is an arithmetic number, because the mean of its divisors is an integer number (425107437).

Almost surely, 2^850214873 is an apocalyptic number.

It is an amenable number.

850214873 is a deficient number, since it is larger than the sum of its proper divisors (1).

850214873 is an equidigital number, since it uses as much as digits as its factorization.

850214873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 850214873 is about 29158.4442829174. Note that the first 3 decimals coincide. The cubic root of 850214873 is about 947.3480509973.

The spelling of 850214873 in words is "eight hundred fifty million, two hundred fourteen thousand, eight hundred seventy-three".