8368500387217 has 4 divisors (see below), whose sum is σ = 8594676073396. Its totient is φ = 8142324701040.

The previous prime is 8368500387211. The next prime is 8368500387253. The reversal of 8368500387217 is 7127830058638.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7300566225936 + 1067934161281 = 2701956^2 + 1033409^2 .

It is a cyclic number.

It is not a de Polignac number, because 8368500387217 - 2¹⁹ = 8368499862929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8368500387211) 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, 113087843034 + ... + 113087843107.

It is an arithmetic number, because the mean of its divisors is an integer number (2148669018349).

Almost surely, 2^{8368500387217} is an apocalyptic number.

It is an amenable number.

8368500387217 is a deficient number, since it is larger than the sum of its proper divisors (226175686179).

8368500387217 is a wasteful number, since it uses less digits than its factorization.

8368500387217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226175686178.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 8368500387217 in words is "eight trillion, three hundred sixty-eight billion, five hundred million, three hundred eighty-seven thousand, two hundred seventeen".