8997218650752 has 256 divisors, whose sum is σ = 24201212555520. Its totient is φ = 2961444372480.

The previous prime is 8997218650741. The next prime is 8997218650753. The reversal of 8997218650752 is 2570568127998.

It is not an unprimeable number, because it can be changed into a prime (8997218650753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11639351038 + ... + 11639351810.

It is an arithmetic number, because the mean of its divisors is an integer number (94535986545).

Almost surely, 2^{8997218650752} 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 8997218650752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12100606277760).

8997218650752 is an abundant number, since it is smaller than the sum of its proper divisors (15203993904768).

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

8997218650752 is a wasteful number, since it uses less digits than its factorization.

8997218650752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 69.

The spelling of 8997218650752 in words is "eight trillion, nine hundred ninety-seven billion, two hundred eighteen million, six hundred fifty thousand, seven hundred fifty-two".