887885856 has 144 divisors (see below), whose sum is σ = 2966483520. Its totient is φ = 248348160.

The previous prime is 887885833. The next prime is 887885881. The reversal of 887885856 is 658588788.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 887885793 and 887885802.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30405 + ... + 51963.

It is an arithmetic number, because the mean of its divisors is an integer number (20600580).

Almost surely, 2^887885856 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 887885856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483241760).

887885856 is an abundant number, since it is smaller than the sum of its proper divisors (2078597664).

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

887885856 is a wasteful number, since it uses less digits than its factorization.

887885856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21599 (or 21588 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 63.

The square root of 887885856 is about 29797.4135790340. The cubic root of 887885856 is about 961.1379214824.

The spelling of 887885856 in words is "eight hundred eighty-seven million, eight hundred eighty-five thousand, eight hundred fifty-six".