8505285718 has 4 divisors (see below), whose sum is σ = 12757928580. Its totient is φ = 4252642858.

The previous prime is 8505285697. The next prime is 8505285727. The reversal of 8505285718 is 8175825058.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126321428 + ... + 2126321431.

It is an arithmetic number, because the mean of its divisors is an integer number (3189482145).

Almost surely, 2^8505285718 is an apocalyptic number.

8505285718 is a deficient number, since it is larger than the sum of its proper divisors (4252642862).

8505285718 is a wasteful number, since it uses less digits than its factorization.

8505285718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252642861.

The product of its (nonzero) digits is 896000, while the sum is 49.

The square root of 8505285718 is about 92224.1059484992. The cubic root of 8505285718 is about 2041.2504922795.

The spelling of 8505285718 in words is "eight billion, five hundred five million, two hundred eighty-five thousand, seven hundred eighteen".