8855623680 has 384 divisors, whose sum is σ = 31021885440. Its totient is φ = 2146959360.

The previous prime is 8855623669. The next prime is 8855623717. The reversal of 8855623680 is 863265588.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16189167 + ... + 16189713.

It is an arithmetic number, because the mean of its divisors is an integer number (80786160).

Almost surely, 2^8855623680 is an apocalyptic number.

8855623680 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 8855623680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15510942720).

8855623680 is an abundant number, since it is smaller than the sum of its proper divisors (22166261760).

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

8855623680 is a wasteful number, since it uses less digits than its factorization.

8855623680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The square root of 8855623680 is about 94104.3233863354. The cubic root of 8855623680 is about 2068.9010386404.

The spelling of 8855623680 in words is "eight billion, eight hundred fifty-five million, six hundred twenty-three thousand, six hundred eighty".