8787278880 has 144 divisors (see below), whose sum is σ = 30041915904. Its totient is φ = 2338951680.

The previous prime is 8787278849. The next prime is 8787278887. The reversal of 8787278880 is 888727878.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×8787278880² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8787278887) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 816897 + ... + 827583.

It is an arithmetic number, because the mean of its divisors is an integer number (208624416).

Almost surely, 2^8787278880 is an apocalyptic number.

8787278880 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 8787278880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15020957952).

8787278880 is an abundant number, since it is smaller than the sum of its proper divisors (21254637024).

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

8787278880 is a wasteful number, since it uses less digits than its factorization.

8787278880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11279 (or 11268 counting only the distinct ones).

The product of its (nonzero) digits is 22478848, while the sum is 63.

The square root of 8787278880 is about 93740.4868773360. The cubic root of 8787278880 is about 2063.5649209138.

The spelling of 8787278880 in words is "eight billion, seven hundred eighty-seven million, two hundred seventy-eight thousand, eight hundred eighty".