8997873984 has 336 divisors, whose sum is σ = 29456481600. Its totient is φ = 2700656640.

The previous prime is 8997873979. The next prime is 8997874007. The reversal of 8997873984 is 4893787998.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25489552 + ... + 25489904.

It is an arithmetic number, because the mean of its divisors is an integer number (87668100).

Almost surely, 2^8997873984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8997873984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14728240800).

8997873984 is an abundant number, since it is smaller than the sum of its proper divisors (20458607616).

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

8997873984 is a wasteful number, since it uses less digits than its factorization.

8997873984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 518 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The square root of 8997873984 is about 94857.1240550756. The cubic root of 8997873984 is about 2079.9200215796.

The spelling of 8997873984 in words is "eight billion, nine hundred ninety-seven million, eight hundred seventy-three thousand, nine hundred eighty-four".