885555880 has 64 divisors (see below), whose sum is σ = 2195268480. Its totient is φ = 318816000.

The previous prime is 885555841. The next prime is 885555899. The reversal of 885555880 is 88555588.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34477 + ... + 54403.

It is an arithmetic number, because the mean of its divisors is an integer number (34301070).

Almost surely, 2^885555880 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 885555880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097634240).

885555880 is an abundant number, since it is smaller than the sum of its proper divisors (1309712600).

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

885555880 is a wasteful number, since it uses less digits than its factorization.

885555880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050 (or 20046 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 52.

The square root of 885555880 is about 29758.2909455499. The cubic root of 885555880 is about 960.2964506911.

The spelling of 885555880 in words is "eight hundred eighty-five million, five hundred fifty-five thousand, eight hundred eighty".