8856355880 has 64 divisors (see below), whose sum is σ = 20489172480. Its totient is φ = 3443212800.

The previous prime is 8856355861. The next prime is 8856355933. The reversal of 8856355880 is 885536588.

It is a happy number.

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, 434477 + ... + 454403.

It is an arithmetic number, because the mean of its divisors is an integer number (320143320).

Almost surely, 2^8856355880 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 8856355880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10244586240).

8856355880 is an abundant number, since it is smaller than the sum of its proper divisors (11632816600).

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

8856355880 is a wasteful number, since it uses less digits than its factorization.

8856355880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250 (or 20246 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 56.

The square root of 8856355880 is about 94108.2136691585. The cubic root of 8856355880 is about 2068.9580573081.

The spelling of 8856355880 in words is "eight billion, eight hundred fifty-six million, three hundred fifty-five thousand, eight hundred eighty".