850854659 has 2 divisors, whose sum is σ = 850854660. Its totient is φ = 850854658.

The previous prime is 850854647. The next prime is 850854733. The reversal of 850854659 is 956458058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850854659 - 2²⁸ = 582419203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850854619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425427329 + 425427330.

It is an arithmetic number, because the mean of its divisors is an integer number (425427330).

Almost surely, 2^850854659 is an apocalyptic number.

850854659 is a deficient number, since it is larger than the sum of its proper divisors (1).

850854659 is an equidigital number, since it uses as much as digits as its factorization.

850854659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The square root of 850854659 is about 29169.4130726006. The cubic root of 850854659 is about 947.5856176302.

The spelling of 850854659 in words is "eight hundred fifty million, eight hundred fifty-four thousand, six hundred fifty-nine".