850729180307 has 4 divisors (see below), whose sum is σ = 851214481080. Its totient is φ = 850243879536.

The previous prime is 850729180289. The next prime is 850729180319. The reversal of 850729180307 is 703081927058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 850729180307 - 2⁸ = 850729180051 is a prime.

It is a super-2 number, since 2×850729180307² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850729180907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242647757 + ... + 242651262.

It is an arithmetic number, because the mean of its divisors is an integer number (212803620270).

Almost surely, 2^850729180307 is an apocalyptic number.

850729180307 is a deficient number, since it is larger than the sum of its proper divisors (485300773).

850729180307 is a wasteful number, since it uses less digits than its factorization.

850729180307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485300772.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 850729180307 in words is "eight hundred fifty billion, seven hundred twenty-nine million, one hundred eighty thousand, three hundred seven".