9663782460872 has 16 divisors (see below), whose sum is σ = 19185450474060. Its totient is φ = 4547662334464.

The previous prime is 9663782460863. The next prime is 9663782460877. The reversal of 9663782460872 is 2780642873669.

It can be written as a sum of positive squares in 2 ways, for example, as 9120073842916 + 543708617956 = 3019946^2 + 737366^2 .

It is a super-2 number, since 2×9663782460872² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (9663782460877) 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 3 ways as a sum of consecutive naturals, for example, 35528611853 + ... + 35528612124.

Almost surely, 2^{9663782460872} is an apocalyptic number.

It is an amenable number.

9663782460872 is a deficient number, since it is larger than the sum of its proper divisors (9521668013188).

9663782460872 is a wasteful number, since it uses less digits than its factorization.

9663782460872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71057224000 (or 71057223996 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 68.

The spelling of 9663782460872 in words is "nine trillion, six hundred sixty-three billion, seven hundred eighty-two million, four hundred sixty thousand, eight hundred seventy-two".