850220071 has 2 divisors, whose sum is σ = 850220072. Its totient is φ = 850220070.

The previous prime is 850220051. The next prime is 850220089. The reversal of 850220071 is 170022058.

850220071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850220071 - 2⁷ = 850219943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850220051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425110035 + 425110036.

It is an arithmetic number, because the mean of its divisors is an integer number (425110036).

Almost surely, 2^850220071 is an apocalyptic number.

850220071 is a deficient number, since it is larger than the sum of its proper divisors (1).

850220071 is an equidigital number, since it uses as much as digits as its factorization.

850220071 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 25.

The square root of 850220071 is about 29158.5334164803. The cubic root of 850220071 is about 947.3499816093.

The spelling of 850220071 in words is "eight hundred fifty million, two hundred twenty thousand, seventy-one".