8766650861 has 2 divisors, whose sum is σ = 8766650862. Its totient is φ = 8766650860.

The previous prime is 8766650747. The next prime is 8766650881. The reversal of 8766650861 is 1680566678.

8766650861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8136942025 + 629708836 = 90205^2 + 25094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8766650861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8766650881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4383325430 + 4383325431.

It is an arithmetic number, because the mean of its divisors is an integer number (4383325431).

Almost surely, 2^8766650861 is an apocalyptic number.

It is an amenable number.

8766650861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8766650861 is an equidigital number, since it uses as much as digits as its factorization.

8766650861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 8766650861 is about 93630.3949633878. The cubic root of 8766650861 is about 2061.9489254437.

The spelling of 8766650861 in words is "eight billion, seven hundred sixty-six million, six hundred fifty thousand, eight hundred sixty-one".