7446880789 has 2 divisors, whose sum is σ = 7446880790. Its totient is φ = 7446880788.

The previous prime is 7446880769. The next prime is 7446880801. The reversal of 7446880789 is 9870886447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7173243025 + 273637764 = 84695^2 + 16542^2 .

It is a cyclic number.

It is not a de Polignac number, because 7446880789 - 2⁵ = 7446880757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7446880759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3723440394 + 3723440395.

It is an arithmetic number, because the mean of its divisors is an integer number (3723440395).

Almost surely, 2^7446880789 is an apocalyptic number.

It is an amenable number.

7446880789 is a deficient number, since it is larger than the sum of its proper divisors (1).

7446880789 is an equidigital number, since it uses as much as digits as its factorization.

7446880789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The square root of 7446880789 is about 86295.3115122716. The cubic root of 7446880789 is about 1952.8016523220.

The spelling of 7446880789 in words is "seven billion, four hundred forty-six million, eight hundred eighty thousand, seven hundred eighty-nine".