850340159 has 2 divisors, whose sum is σ = 850340160. Its totient is φ = 850340158.

The previous prime is 850340147. The next prime is 850340189. The reversal of 850340159 is 951043058.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850340159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850340189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425170079 + 425170080.

It is an arithmetic number, because the mean of its divisors is an integer number (425170080).

Almost surely, 2^850340159 is an apocalyptic number.

850340159 is a deficient number, since it is larger than the sum of its proper divisors (1).

850340159 is an equidigital number, since it uses as much as digits as its factorization.

850340159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 850340159 is about 29160.5925694249. The cubic root of 850340159 is about 947.3945818302.

The spelling of 850340159 in words is "eight hundred fifty million, three hundred forty thousand, one hundred fifty-nine".