8868449761 has 2 divisors, whose sum is σ = 8868449762. Its totient is φ = 8868449760.

The previous prime is 8868449647. The next prime is 8868449801. The reversal of 8868449761 is 1679448688.

8868449761 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., 6519593536 + 2348856225 = 80744^2 + 48465^2 .

It is a cyclic number.

It is not a de Polignac number, because 8868449761 - 2¹⁵ = 8868416993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8868449761.

It is not a weakly prime, because it can be changed into another prime (8868549761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4434224880 + 4434224881.

It is an arithmetic number, because the mean of its divisors is an integer number (4434224881).

Almost surely, 2^8868449761 is an apocalyptic number.

It is an amenable number.

8868449761 is a deficient number, since it is larger than the sum of its proper divisors (1).

8868449761 is an equidigital number, since it uses as much as digits as its factorization.

8868449761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 61.

The square root of 8868449761 is about 94172.4469311486. The cubic root of 8868449761 is about 2069.8993907397.

The spelling of 8868449761 in words is "eight billion, eight hundred sixty-eight million, four hundred forty-nine thousand, seven hundred sixty-one".