8687127349 has 2 divisors, whose sum is σ = 8687127350. Its totient is φ = 8687127348.

The previous prime is 8687127343. The next prime is 8687127431. The reversal of 8687127349 is 9437217868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7213104900 + 1474022449 = 84930^2 + 38393^2 .

It is a cyclic number.

It is not a de Polignac number, because 8687127349 - 2¹⁹ = 8686603061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8687127349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8687127343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343563674 + 4343563675.

It is an arithmetic number, because the mean of its divisors is an integer number (4343563675).

Almost surely, 2^8687127349 is an apocalyptic number.

It is an amenable number.

8687127349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8687127349 is an equidigital number, since it uses as much as digits as its factorization.

8687127349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The square root of 8687127349 is about 93204.7603344379. The cubic root of 8687127349 is about 2055.6952357449.

It can be divided in two parts, 868 and 7127349, that added together give a palindrome (7128217).

The spelling of 8687127349 in words is "eight billion, six hundred eighty-seven million, one hundred twenty-seven thousand, three hundred forty-nine".