9777518448266 has 16 divisors (see below), whose sum is σ = 14798702721600. Its totient is φ = 4844813292000.

The previous prime is 9777518448263. The next prime is 9777518448277. The reversal of 9777518448266 is 6628448157779.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9777518448193 and 9777518448202.

It is not an unprimeable number, because it can be changed into a prime (9777518448263) 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, 48837611 + ... + 49037406.

It is an arithmetic number, because the mean of its divisors is an integer number (924918920100).

Almost surely, 2^{9777518448266} is an apocalyptic number.

9777518448266 is a deficient number, since it is larger than the sum of its proper divisors (5021184273334).

9777518448266 is a wasteful number, since it uses less digits than its factorization.

9777518448266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97875469.

The product of its digits is 1137991680, while the sum is 74.

The spelling of 9777518448266 in words is "nine trillion, seven hundred seventy-seven billion, five hundred eighteen million, four hundred forty-eight thousand, two hundred sixty-six".