850243005 has 24 divisors (see below), whose sum is σ = 1474435872. Its totient is φ = 453253344.

The previous prime is 850243003. The next prime is 850243033. The reversal of 850243005 is 500342058.

It is not a de Polignac number, because 850243005 - 2¹ = 850243003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 850243005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850243003) 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 in 23 ways as a sum of consecutive naturals, for example, 175222 + ... + 180008.

It is an arithmetic number, because the mean of its divisors is an integer number (61434828).

Almost surely, 2^850243005 is an apocalyptic number.

It is an amenable number.

850243005 is a deficient number, since it is larger than the sum of its proper divisors (624192867).

850243005 is a wasteful number, since it uses less digits than its factorization.

850243005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745 (or 8742 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 850243005 is about 29158.9266777774. The cubic root of 850243005 is about 947.3584995330.

The spelling of 850243005 in words is "eight hundred fifty million, two hundred forty-three thousand, five".