849860805207 has 16 divisors (see below), whose sum is σ = 1201203555552. Its totient is φ = 532623744000.

The previous prime is 849860805181. The next prime is 849860805221. The reversal of 849860805207 is 702508068948.

It is not a de Polignac number, because 849860805207 - 2⁸ = 849860804951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849860805107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9678544 + ... + 9765957.

It is an arithmetic number, because the mean of its divisors is an integer number (75075222222).

Almost surely, 2^849860805207 is an apocalyptic number.

849860805207 is a deficient number, since it is larger than the sum of its proper divisors (351342750345).

849860805207 is a wasteful number, since it uses less digits than its factorization.

849860805207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19445378.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 849860805207 in words is "eight hundred forty-nine billion, eight hundred sixty million, eight hundred five thousand, two hundred seven".