8973993798 has 144 divisors (see below), whose sum is σ = 25268574240. Its totient is φ = 2250420480.

The previous prime is 8973993773. The next prime is 8973993817.

8973993798 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 431986 + ... + 452282.

It is an arithmetic number, because the mean of its divisors is an integer number (175476210).

Almost surely, 2^8973993798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8973993798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12634287120).

8973993798 is an abundant number, since it is smaller than the sum of its proper divisors (16294580442).

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

8973993798 is a wasteful number, since it uses less digits than its factorization.

8973993798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363 (or 20349 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 72.

The square root of 8973993798 is about 94731.1659275869. The cubic root of 8973993798 is about 2078.0783686864.

The spelling of 8973993798 in words is "eight billion, nine hundred seventy-three million, nine hundred ninety-three thousand, seven hundred ninety-eight".