9903904007832 has 96 divisors (see below), whose sum is σ = 28453400146080. Its totient is φ = 3101363665920.

The previous prime is 9903904007827. The next prime is 9903904007839. The reversal of 9903904007832 is 2387004093099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903904007839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6816028 + ... + 8140395.

It is an arithmetic number, because the mean of its divisors is an integer number (296389584855).

Almost surely, 2^{9903904007832} is an apocalyptic number.

It is an amenable number.

9903904007832 is an abundant number, since it is smaller than the sum of its proper divisors (18549496138248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9903904007832 is a wasteful number, since it uses less digits than its factorization.

9903904007832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956993 (or 14956986 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 9903904007832 in words is "nine trillion, nine hundred three billion, nine hundred four million, seven thousand, eight hundred thirty-two".