850000847001 has 16 divisors (see below), whose sum is σ = 1134418696320. Its totient is φ = 566125349760.

The previous prime is 850000846997. The next prime is 850000847011. The reversal of 850000847001 is 100748000058.

It is a happy number.

It is not a de Polignac number, because 850000847001 - 2² = 850000846997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (850000847011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15748581 + ... + 15802461.

It is an arithmetic number, because the mean of its divisors is an integer number (70901168520).

Almost surely, 2^850000847001 is an apocalyptic number.

It is an amenable number.

850000847001 is a deficient number, since it is larger than the sum of its proper divisors (284417849319).

850000847001 is a wasteful number, since it uses less digits than its factorization.

850000847001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58816.

The product of its (nonzero) digits is 8960, while the sum is 33.

Adding to 850000847001 its reverse (100748000058), we get a palindrome (950748847059).

The spelling of 850000847001 in words is "eight hundred fifty billion, eight hundred forty-seven thousand, one".