850259817211 has 32 divisors (see below), whose sum is σ = 992993707520. Its totient is φ = 712998671616.

The previous prime is 850259817149. The next prime is 850259817241. The reversal of 850259817211 is 112718952058.

It is a happy number.

It is not a de Polignac number, because 850259817211 - 2⁹ = 850259816699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850259817241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136760575 + ... + 136766791.

It is an arithmetic number, because the mean of its divisors is an integer number (31031053360).

Almost surely, 2^850259817211 is an apocalyptic number.

850259817211 is a deficient number, since it is larger than the sum of its proper divisors (142733890309).

850259817211 is a wasteful number, since it uses less digits than its factorization.

850259817211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243.

The product of its (nonzero) digits is 403200, while the sum is 49.

The spelling of 850259817211 in words is "eight hundred fifty billion, two hundred fifty-nine million, eight hundred seventeen thousand, two hundred eleven".