9660966872 has 8 divisors (see below), whose sum is σ = 18114312900. Its totient is φ = 4830483432.

The previous prime is 9660966787. The next prime is 9660966911. The reversal of 9660966872 is 2786690669.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603810422 + ... + 603810437.

Almost surely, 2^9660966872 is an apocalyptic number.

It is an amenable number.

9660966872 is a deficient number, since it is larger than the sum of its proper divisors (8453346028).

9660966872 is a wasteful number, since it uses less digits than its factorization.

9660966872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207620865 (or 1207620861 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 59.

The square root of 9660966872 is about 98290.2175803879. The cubic root of 9660966872 is about 2129.8067427356.

The spelling of 9660966872 in words is "nine billion, six hundred sixty million, nine hundred sixty-six thousand, eight hundred seventy-two".