9866773012 has 12 divisors (see below), whose sum is σ = 17267556096. Its totient is φ = 4933185560.

The previous prime is 9866773003. The next prime is 9866773051. The reversal of 9866773012 is 2103776689.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141837 + ... + 199627.

It is an arithmetic number, because the mean of its divisors is an integer number (1438963008).

Almost surely, 2^9866773012 is an apocalyptic number.

It is an amenable number.

9866773012 is a deficient number, since it is larger than the sum of its proper divisors (7400783084).

9866773012 is a wasteful number, since it uses less digits than its factorization.

9866773012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100478 (or 100476 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 9866773012 is about 99331.6314775913. The cubic root of 9866773012 is about 2144.8242557005.

The spelling of 9866773012 in words is "nine billion, eight hundred sixty-six million, seven hundred seventy-three thousand, twelve".