850589039 has 2 divisors, whose sum is σ = 850589040. Its totient is φ = 850589038.

The previous prime is 850589027. The next prime is 850589057. The reversal of 850589039 is 930985058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850589039 - 2¹⁶ = 850523503 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 850588984 and 850589002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850589009) 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, 425294519 + 425294520.

It is an arithmetic number, because the mean of its divisors is an integer number (425294520).

Almost surely, 2^850589039 is an apocalyptic number.

850589039 is a deficient number, since it is larger than the sum of its proper divisors (1).

850589039 is an equidigital number, since it uses as much as digits as its factorization.

850589039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 850589039 is about 29164.8596602144. The cubic root of 850589039 is about 947.4870015366.

The spelling of 850589039 in words is "eight hundred fifty million, five hundred eighty-nine thousand, thirty-nine".