9778334744016 has 60 divisors (see below), whose sum is σ = 27369905877600. Its totient is φ = 3258950667840.

The previous prime is 9778334744011. The next prime is 9778334744071. The reversal of 9778334744016 is 6104474338779.

9778334744016 is a `hidden beast` number, since 9 + 77 + 83 + 3 + 47 + 440 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778334744011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4194850 + ... + 6095361.

It is an arithmetic number, because the mean of its divisors is an integer number (456165097960).

Almost surely, 2^{9778334744016} is an apocalyptic number.

It is an amenable number.

9778334744016 is an abundant number, since it is smaller than the sum of its proper divisors (17591571133584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9778334744016 is a wasteful number, since it uses less digits than its factorization.

9778334744016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10296824 (or 10296815 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 63.

The spelling of 9778334744016 in words is "nine trillion, seven hundred seventy-eight billion, three hundred thirty-four million, seven hundred forty-four thousand, sixteen".