8751621760 has 256 divisors, whose sum is σ = 25518343680. Its totient is φ = 2801664000.

The previous prime is 8751621733. The next prime is 8751621779. The reversal of 8751621760 is 671261578.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11499780 + ... + 11500540.

It is an arithmetic number, because the mean of its divisors is an integer number (99681030).

Almost surely, 2^8751621760 is an apocalyptic number.

8751621760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8751621760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12759171840).

8751621760 is an abundant number, since it is smaller than the sum of its proper divisors (16766721920).

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

8751621760 is a wasteful number, since it uses less digits than its factorization.

8751621760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 8751621760 is about 93550.1029395479. The cubic root of 8751621760 is about 2060.7699512902.

The spelling of 8751621760 in words is "eight billion, seven hundred fifty-one million, six hundred twenty-one thousand, seven hundred sixty".