8987947702272 has 2592 divisors, whose sum is σ = 36715839647760. Its totient is φ = 2167107747840.

The previous prime is 8987947702271. The next prime is 8987947702313. The reversal of 8987947702272 is 2722077497898.

8987947702272 is a `hidden beast` number, since 8 + 9 + 87 + 9 + 477 + 0 + 2 + 2 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (2592).

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

It is a self number, because there is not a number n which added to its sum of digits gives 8987947702272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987947702271) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 123122571228 + ... + 123122571300.

Almost surely, 2^{8987947702272} 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 8987947702272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18357919823880).

8987947702272 is an abundant number, since it is smaller than the sum of its proper divisors (27727891945488).

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

8987947702272 is an equidigital number, since it uses as much as digits as its factorization.

8987947702272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 398297088, while the sum is 72.

The spelling of 8987947702272 in words is "eight trillion, nine hundred eighty-seven billion, nine hundred forty-seven million, seven hundred two thousand, two hundred seventy-two".