9786669297984 has 84 divisors (see below), whose sum is σ = 28177513343616. Its totient is φ = 3247594253568.

The previous prime is 9786669297983. The next prime is 9786669298001. The reversal of 9786669297984 is 4897929666879.

It is a junction number, because it is equal to n+sod(n) for n = 9786669297894 and 9786669297903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9786669297983) 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 in 11 ways as a sum of consecutive naturals, for example, 37967394 + ... + 38224289.

It is an arithmetic number, because the mean of its divisors is an integer number (335446587424).

Almost surely, 2^{9786669297984} is an apocalyptic number.

It is an amenable number.

9786669297984 is an abundant number, since it is smaller than the sum of its proper divisors (18390844045632).

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

9786669297984 is a wasteful number, since it uses less digits than its factorization.

9786669297984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76191924 (or 76191911 counting only the distinct ones).

The product of its digits is 35554111488, while the sum is 90.

The spelling of 9786669297984 in words is "nine trillion, seven hundred eighty-six billion, six hundred sixty-nine million, two hundred ninety-seven thousand, nine hundred eighty-four".