8768399443 has 2 divisors, whose sum is σ = 8768399444. Its totient is φ = 8768399442.

The previous prime is 8768399407. The next prime is 8768399467. The reversal of 8768399443 is 3449938678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8768399443 - 2²⁵ = 8734845011 is a prime.

It is not a weakly prime, because it can be changed into another prime (8768399743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4384199721 + 4384199722.

It is an arithmetic number, because the mean of its divisors is an integer number (4384199722).

Almost surely, 2^8768399443 is an apocalyptic number.

8768399443 is a deficient number, since it is larger than the sum of its proper divisors (1).

8768399443 is an equidigital number, since it uses as much as digits as its factorization.

8768399443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 61.

The square root of 8768399443 is about 93639.7321813769. The cubic root of 8768399443 is about 2062.0860073292.

The spelling of 8768399443 in words is "eight billion, seven hundred sixty-eight million, three hundred ninety-nine thousand, four hundred forty-three".