9827108971684 has 9 divisors (see below), whose sum is σ = 17197451672331. Its totient is φ = 4913551351020.

The previous prime is 9827108971651. The next prime is 9827108971703. The reversal of 9827108971684 is 4861798017289.

The square root of 9827108971684 is 3134822.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 5485939 + ... + 7053349.

Almost surely, 2^{9827108971684} is an apocalyptic number.

9827108971684 is the 3134822-nd square number.

It is an amenable number.

9827108971684 is a deficient number, since it is larger than the sum of its proper divisors (7370342700647).

9827108971684 is an frugal number, since it uses more digits than its factorization.

9827108971684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134826 (or 1567413 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 70.

The spelling of 9827108971684 in words is "nine trillion, eight hundred twenty-seven billion, one hundred eight million, nine hundred seventy-one thousand, six hundred eighty-four".