885655680 has 512 divisors, whose sum is σ = 3594447360. Its totient is φ = 180486144.

The previous prime is 885655651. The next prime is 885655703. The reversal of 885655680 is 86556588.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6464572 + ... + 6464708.

It is an arithmetic number, because the mean of its divisors is an integer number (7020405).

Almost surely, 2^885655680 is an apocalyptic number.

885655680 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 885655680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797223680).

885655680 is an abundant number, since it is smaller than the sum of its proper divisors (2708791680).

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

885655680 is a wasteful number, since it uses less digits than its factorization.

885655680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 51.

The square root of 885655680 is about 29759.9677419180. The cubic root of 885655680 is about 960.3325236964.

The spelling of 885655680 in words is "eight hundred eighty-five million, six hundred fifty-five thousand, six hundred eighty".