8721411512 has 64 divisors (see below), whose sum is σ = 18477525600. Its totient is φ = 3822784000.

The previous prime is 8721411511. The next prime is 8721411539. The reversal of 8721411512 is 2151141278.

8721411512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8721411512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8721411511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706062 + ... + 2709282.

Almost surely, 2^8721411512 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 8721411512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9238762800).

8721411512 is an abundant number, since it is smaller than the sum of its proper divisors (9756114088).

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

8721411512 is a wasteful number, since it uses less digits than its factorization.

8721411512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4324 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

The square root of 8721411512 is about 93388.4977499906. The cubic root of 8721411512 is about 2058.3959857858.

The spelling of 8721411512 in words is "eight billion, seven hundred twenty-one million, four hundred eleven thousand, five hundred twelve".