8766650881 has 2 divisors, whose sum is σ = 8766650882. Its totient is φ = 8766650880.

The previous prime is 8766650861. The next prime is 8766650887. The reversal of 8766650881 is 1880566678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7768659600 + 997991281 = 88140^2 + 31591^2 .

It is a cyclic number.

It is not a de Polignac number, because 8766650881 - 2²¹ = 8764553729 is a prime.

It is a super-2 number, since 2×8766650881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8766650887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4383325440 + 4383325441.

It is an arithmetic number, because the mean of its divisors is an integer number (4383325441).

Almost surely, 2^8766650881 is an apocalyptic number.

It is an amenable number.

8766650881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8766650881 is an equidigital number, since it uses as much as digits as its factorization.

8766650881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 8766650881 is about 93630.3950701907. The cubic root of 8766650881 is about 2061.9489270118.

The spelling of 8766650881 in words is "eight billion, seven hundred sixty-six million, six hundred fifty thousand, eight hundred eighty-one".