8506716833 has 2 divisors, whose sum is σ = 8506716834. Its totient is φ = 8506716832.

The previous prime is 8506716821. The next prime is 8506716847. The reversal of 8506716833 is 3386176058.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8243368849 + 263347984 = 90793^2 + 16228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8506716833 is a prime.

It is not a weakly prime, because it can be changed into another prime (8506716433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4253358416 + 4253358417.

It is an arithmetic number, because the mean of its divisors is an integer number (4253358417).

Almost surely, 2^8506716833 is an apocalyptic number.

It is an amenable number.

8506716833 is a deficient number, since it is larger than the sum of its proper divisors (1).

8506716833 is an equidigital number, since it uses as much as digits as its factorization.

8506716833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 8506716833 is about 92231.8645208910. The cubic root of 8506716833 is about 2041.3649740447.

The spelling of 8506716833 in words is "eight billion, five hundred six million, seven hundred sixteen thousand, eight hundred thirty-three".