8556411984 has 80 divisors (see below), whose sum is σ = 23459569920. Its totient is φ = 2678026240.

The previous prime is 8556411977. The next prime is 8556412003. The reversal of 8556411984 is 4891146558.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 339532 + ... + 363860.

It is an arithmetic number, because the mean of its divisors is an integer number (293244624).

Almost surely, 2^8556411984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8556411984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11729784960).

8556411984 is an abundant number, since it is smaller than the sum of its proper divisors (14903157936).

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

8556411984 is a wasteful number, since it uses less digits than its factorization.

8556411984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24788 (or 24782 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The square root of 8556411984 is about 92500.8755850451. The cubic root of 8556411984 is about 2045.3323893052.

The spelling of 8556411984 in words is "eight billion, five hundred fifty-six million, four hundred eleven thousand, nine hundred eighty-four".