9976280726 has 16 divisors (see below), whose sum is σ = 15000353280. Its totient is φ = 4976177640.

The previous prime is 9976280719. The next prime is 9976280729. The reversal of 9976280726 is 6270826799.

It is a happy number.

9976280726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976280729) 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 in 7 ways as a sum of consecutive naturals, for example, 1904531 + ... + 1909761.

It is an arithmetic number, because the mean of its divisors is an integer number (937522080).

Almost surely, 2^9976280726 is an apocalyptic number.

9976280726 is a deficient number, since it is larger than the sum of its proper divisors (5024072554).

9976280726 is a wasteful number, since it uses less digits than its factorization.

9976280726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 9976280726 is about 99881.3332209778. Note that the first 3 decimals coincide. The cubic root of 9976280726 is about 2152.7299539262.

The spelling of 9976280726 in words is "nine billion, nine hundred seventy-six million, two hundred eighty thousand, seven hundred twenty-six".