8868840867617 has 2 divisors, whose sum is σ = 8868840867618. Its totient is φ = 8868840867616.

The previous prime is 8868840867571. The next prime is 8868840867637. The reversal of 8868840867617 is 7167680488688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7331796337441 + 1537044530176 = 2707729^2 + 1239776^2 .

It is a cyclic number.

It is not a de Polignac number, because 8868840867617 - 2¹⁸ = 8868840605473 is a prime.

It is a super-2 number, since 2×8868840867617² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8868840867637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4434420433808 + 4434420433809.

It is an arithmetic number, because the mean of its divisors is an integer number (4434420433809).

Almost surely, 2^{8868840867617} is an apocalyptic number.

It is an amenable number.

8868840867617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8868840867617 is an equidigital number, since it uses as much as digits as its factorization.

8868840867617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1387266048, while the sum is 77.

The spelling of 8868840867617 in words is "eight trillion, eight hundred sixty-eight billion, eight hundred forty million, eight hundred sixty-seven thousand, six hundred seventeen".