8705842518 has 32 divisors (see below), whose sum is σ = 17513163360. Its totient is φ = 2885057280.

The previous prime is 8705842421. The next prime is 8705842549. The reversal of 8705842518 is 8152485078.

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, 2694528 + ... + 2697756.

It is an arithmetic number, because the mean of its divisors is an integer number (547286355).

Almost surely, 2^8705842518 is an apocalyptic number.

8705842518 is an abundant number, since it is smaller than the sum of its proper divisors (8807320842).

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

8705842518 is a wasteful number, since it uses less digits than its factorization.

8705842518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its (nonzero) digits is 716800, while the sum is 48.

The square root of 8705842518 is about 93305.1044584379. The cubic root of 8705842518 is about 2057.1704103439.

The spelling of 8705842518 in words is "eight billion, seven hundred five million, eight hundred forty-two thousand, five hundred eighteen".