8868461779 has 2 divisors, whose sum is σ = 8868461780. Its totient is φ = 8868461778.

The previous prime is 8868461731. The next prime is 8868461837. The reversal of 8868461779 is 9771648688.

8868461779 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 is a cyclic number.

It is not a de Polignac number, because 8868461779 - 2⁹ = 8868461267 is a prime.

It is a super-2 number, since 2×8868461779² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8868461779.

It is not a weakly prime, because it can be changed into another prime (8868467779) 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, 4434230889 + 4434230890.

It is an arithmetic number, because the mean of its divisors is an integer number (4434230890).

Almost surely, 2^8868461779 is an apocalyptic number.

8868461779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8868461779 is an equidigital number, since it uses as much as digits as its factorization.

8868461779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 64.

The square root of 8868461779 is about 94172.5107395996. The cubic root of 8868461779 is about 2069.9003257412.

The spelling of 8868461779 in words is "eight billion, eight hundred sixty-eight million, four hundred sixty-one thousand, seven hundred seventy-nine".