8721446360 has 64 divisors (see below), whose sum is σ = 22337959680. Its totient is φ = 3033543040.

The previous prime is 8721446351. The next prime is 8721446381. The reversal of 8721446360 is 636441278.

It is a super-2 number, since 2×8721446360² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420782 + ... + 441021.

It is an arithmetic number, because the mean of its divisors is an integer number (349030620).

Almost surely, 2^8721446360 is an apocalyptic number.

It is an amenable number.

8721446360 is an abundant number, since it is smaller than the sum of its proper divisors (13616513320).

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

8721446360 is a wasteful number, since it uses less digits than its factorization.

8721446360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861848 (or 861844 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 8721446360 is about 93388.6843252436. The cubic root of 8721446360 is about 2058.3987273485.

The spelling of 8721446360 in words is "eight billion, seven hundred twenty-one million, four hundred forty-six thousand, three hundred sixty".