8681077469 has 2 divisors, whose sum is σ = 8681077470. Its totient is φ = 8681077468.

The previous prime is 8681077463. The next prime is 8681077481. The reversal of 8681077469 is 9647701868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7540664569 + 1140412900 = 86837^2 + 33770^2 .

It is a cyclic number.

It is not a de Polignac number, because 8681077469 - 2⁸ = 8681077213 is a prime.

It is a super-2 number, since 2×8681077469² (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 (8681077463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340538734 + 4340538735.

It is an arithmetic number, because the mean of its divisors is an integer number (4340538735).

Almost surely, 2^8681077469 is an apocalyptic number.

It is an amenable number.

8681077469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8681077469 is an equidigital number, since it uses as much as digits as its factorization.

8681077469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 8681077469 is about 93172.2999018485. The cubic root of 8681077469 is about 2055.2179165589.

The spelling of 8681077469 in words is "eight billion, six hundred eighty-one million, seventy-seven thousand, four hundred sixty-nine".