8865775680 has 112 divisors (see below), whose sum is σ = 28545519744. Its totient is φ = 2330890240.

The previous prime is 8865775679. The next prime is 8865775703. The reversal of 8865775680 is 865775688.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124 + ... + 133196.

It is an arithmetic number, because the mean of its divisors is an integer number (254870712).

Almost surely, 2^8865775680 is an apocalyptic number.

8865775680 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 8865775680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14272759872).

8865775680 is an abundant number, since it is smaller than the sum of its proper divisors (19679744064).

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

8865775680 is a wasteful number, since it uses less digits than its factorization.

8865775680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130164 (or 130154 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The square root of 8865775680 is about 94158.2480720622. The cubic root of 8865775680 is about 2069.6913260008.

The spelling of 8865775680 in words is "eight billion, eight hundred sixty-five million, seven hundred seventy-five thousand, six hundred eighty".