8851761280 has 128 divisors (see below), whose sum is σ = 22742311680. Its totient is φ = 3282419712.

The previous prime is 8851761241. The next prime is 8851761293. The reversal of 8851761280 is 821671588.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 8851761280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722889 + ... + 735031.

It is an arithmetic number, because the mean of its divisors is an integer number (177674310).

Almost surely, 2^8851761280 is an apocalyptic number.

8851761280 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 8851761280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11371155840).

8851761280 is an abundant number, since it is smaller than the sum of its proper divisors (13890550400).

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

8851761280 is a wasteful number, since it uses less digits than its factorization.

8851761280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12246 (or 12234 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 46.

The square root of 8851761280 is about 94083.7992430153. The cubic root of 8851761280 is about 2068.6002096344.

The spelling of 8851761280 in words is "eight billion, eight hundred fifty-one million, seven hundred sixty-one thousand, two hundred eighty".