8999503091796 has 72 divisors (see below), whose sum is σ = 24464978306496. Its totient is φ = 2567312321280.

The previous prime is 8999503091791. The next prime is 8999503091899. The reversal of 8999503091796 is 6971903059998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999503091791) 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, 11447445 + ... + 12208316.

It is an arithmetic number, because the mean of its divisors is an integer number (339791365368).

Almost surely, 2^{8999503091796} is an apocalyptic number.

It is an amenable number.

8999503091796 is an abundant number, since it is smaller than the sum of its proper divisors (15465475214700).

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

8999503091796 is a wasteful number, since it uses less digits than its factorization.

8999503091796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656429 (or 23656420 counting only the distinct ones).

The product of its (nonzero) digits is 297606960, while the sum is 75.

The spelling of 8999503091796 in words is "eight trillion, nine hundred ninety-nine billion, five hundred three million, ninety-one thousand, seven hundred ninety-six".