8516870858718 has 32 divisors (see below), whose sum is σ = 20039696140320. Its totient is φ = 2671959484800.

The previous prime is 8516870858707. The next prime is 8516870858759. The reversal of 8516870858718 is 8178580786158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4638817633 + ... + 4638819468.

It is an arithmetic number, because the mean of its divisors is an integer number (626240504385).

Almost surely, 2^{8516870858718} is an apocalyptic number.

8516870858718 is an abundant number, since it is smaller than the sum of its proper divisors (11522825281602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8516870858718 is a wasteful number, since it uses less digits than its factorization.

8516870858718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9277637129 (or 9277637123 counting only the distinct ones).

The product of its (nonzero) digits is 240844800, while the sum is 72.

The spelling of 8516870858718 in words is "eight trillion, five hundred sixteen billion, eight hundred seventy million, eight hundred fifty-eight thousand, seven hundred eighteen".