8480345779 has 2 divisors, whose sum is σ = 8480345780. Its totient is φ = 8480345778.

The previous prime is 8480345723. The next prime is 8480345831. The reversal of 8480345779 is 9775430848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8480345779 - 2⁷ = 8480345651 is a prime.

It is not a weakly prime, because it can be changed into another prime (8480340779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240172889 + 4240172890.

It is an arithmetic number, because the mean of its divisors is an integer number (4240172890).

Almost surely, 2^8480345779 is an apocalyptic number.

8480345779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480345779 is an equidigital number, since it uses as much as digits as its factorization.

8480345779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 8480345779 is about 92088.7929066290. The cubic root of 8480345779 is about 2039.2533615040.

The spelling of 8480345779 in words is "eight billion, four hundred eighty million, three hundred forty-five thousand, seven hundred seventy-nine".