9996965812 has 24 divisors (see below), whose sum is σ = 17677985472. Its totient is φ = 4946256000.

The previous prime is 9996965807. The next prime is 9996965813. The reversal of 9996965812 is 2185696999.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996965813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267687 + ... + 302737.

It is an arithmetic number, because the mean of its divisors is an integer number (736582728).

Almost surely, 2^9996965812 is an apocalyptic number.

It is an amenable number.

9996965812 is a deficient number, since it is larger than the sum of its proper divisors (7681019660).

9996965812 is a wasteful number, since it uses less digits than its factorization.

9996965812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35799 (or 35797 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 64.

The square root of 9996965812 is about 99984.8279090383. The cubic root of 9996965812 is about 2154.2167693272.

The spelling of 9996965812 in words is "nine billion, nine hundred ninety-six million, nine hundred sixty-five thousand, eight hundred twelve".