8868386955517 has 16 divisors (see below), whose sum is σ = 8995976700480. Its totient is φ = 8741430073728.

The previous prime is 8868386955503. The next prime is 8868386955557. The reversal of 8868386955517 is 7155596838688.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8868386955517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8868386955557) 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, 141937918 + ... + 142000384.

It is an arithmetic number, because the mean of its divisors is an integer number (562248543780).

Almost surely, 2^{8868386955517} is an apocalyptic number.

It is an amenable number.

8868386955517 is a deficient number, since it is larger than the sum of its proper divisors (127589744963).

8868386955517 is a wasteful number, since it uses less digits than its factorization.

8868386955517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67500.

The product of its digits is 3483648000, while the sum is 79.

The spelling of 8868386955517 in words is "eight trillion, eight hundred sixty-eight billion, three hundred eighty-six million, nine hundred fifty-five thousand, five hundred seventeen".