8516281697 has 16 divisors (see below), whose sum is σ = 10688976000. Its totient is φ = 6591517440.

The previous prime is 8516281681. The next prime is 8516281703. The reversal of 8516281697 is 7961826158.

It is a cyclic number.

It is not a de Polignac number, because 8516281697 - 2⁴ = 8516281681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8516281297) 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, 359672 + ... + 382617.

It is an arithmetic number, because the mean of its divisors is an integer number (668061000).

Almost surely, 2^8516281697 is an apocalyptic number.

It is an amenable number.

8516281697 is a deficient number, since it is larger than the sum of its proper divisors (2172694303).

8516281697 is a wasteful number, since it uses less digits than its factorization.

8516281697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742456.

The product of its digits is 1451520, while the sum is 53.

The square root of 8516281697 is about 92283.7022285084. The cubic root of 8516281697 is about 2042.1297839887.

The spelling of 8516281697 in words is "eight billion, five hundred sixteen million, two hundred eighty-one thousand, six hundred ninety-seven".