207050007217 has 8 divisors (see below), whose sum is σ = 212686209000. Its totient is φ = 201415924224.

The previous prime is 207050007167. The next prime is 207050007233. The reversal of 207050007217 is 712700050702.

It can be written as a sum of positive squares in 4 ways, for example, as 39710924176 + 167339083041 = 199276^2 + 409071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207050007217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207050007517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330592 + ... + 723457.

It is an arithmetic number, because the mean of its divisors is an integer number (26585776125).

Almost surely, 2^207050007217 is an apocalyptic number.

It is an amenable number.

207050007217 is a deficient number, since it is larger than the sum of its proper divisors (5636201783).

207050007217 is a wasteful number, since it uses less digits than its factorization.

207050007217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059395.

The product of its (nonzero) digits is 6860, while the sum is 31.

Adding to 207050007217 its reverse (712700050702), we get a palindrome (919750057919).

The spelling of 207050007217 in words is "two hundred seven billion, fifty million, seven thousand, two hundred seventeen".