8516851017 has 4 divisors (see below), whose sum is σ = 11355801360. Its totient is φ = 5677900676.

The previous prime is 8516851009. The next prime is 8516851027. The reversal of 8516851017 is 7101586158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8516851017 - 2³ = 8516851009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8516851017.

It is not an unprimeable number, because it can be changed into a prime (8516851027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419475167 + ... + 1419475172.

It is an arithmetic number, because the mean of its divisors is an integer number (2838950340).

Almost surely, 2^8516851017 is an apocalyptic number.

It is an amenable number.

8516851017 is a deficient number, since it is larger than the sum of its proper divisors (2838950343).

8516851017 is a wasteful number, since it uses less digits than its factorization.

8516851017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838950342.

The product of its (nonzero) digits is 67200, while the sum is 42.

The square root of 8516851017 is about 92286.7867952937. The cubic root of 8516851017 is about 2042.1752889585.

The spelling of 8516851017 in words is "eight billion, five hundred sixteen million, eight hundred fifty-one thousand, seventeen".