8681077133 has 2 divisors, whose sum is σ = 8681077134. Its totient is φ = 8681077132.

The previous prime is 8681077129. The next prime is 8681077169. The reversal of 8681077133 is 3317701868.

8681077133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8302307689 + 378769444 = 91117^2 + 19462^2 .

It is a cyclic number.

It is not a de Polignac number, because 8681077133 - 2² = 8681077129 is a prime.

It is a super-2 number, since 2×8681077133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8681077633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340538566 + 4340538567.

It is an arithmetic number, because the mean of its divisors is an integer number (4340538567).

Almost surely, 2^8681077133 is an apocalyptic number.

It is an amenable number.

8681077133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8681077133 is an equidigital number, since it uses as much as digits as its factorization.

8681077133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 8681077133 is about 93172.2980987375. The cubic root of 8681077133 is about 2055.2178900432.

The spelling of 8681077133 in words is "eight billion, six hundred eighty-one million, seventy-seven thousand, one hundred thirty-three".