850679716329 has 27 divisors (see below), whose sum is σ = 1284602819773. Its totient is φ = 542421845592.

The previous prime is 850679716319. The next prime is 850679716333. The reversal of 850679716329 is 923617976058.

The square root of 850679716329 is 922323.

It is a perfect power (a square), and thus also a powerful number.

850679716329 is a `hidden beast` number, since 8 + 506 + 7 + 97 + 1 + 6 + 32 + 9 = 666.

It is not a de Polignac number, because 850679716329 - 2⁵ = 850679716297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850679716319) 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 26 ways as a sum of consecutive naturals, for example, 63633604 + ... + 63646970.

Almost surely, 2^850679716329 is an apocalyptic number.

850679716329 is the 922323-rd square number.

850679716329 is the 461162-nd centered octagonal number.

It is an amenable number.

850679716329 is a deficient number, since it is larger than the sum of its proper divisors (433923103444).

850679716329 is an frugal number, since it uses more digits than its factorization.

850679716329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26786 (or 13393 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 850679716329 in words is "eight hundred fifty billion, six hundred seventy-nine million, seven hundred sixteen thousand, three hundred twenty-nine".