875681856 has 168 divisors, whose sum is σ = 2899420160. Its totient is φ = 247504896.

The previous prime is 875681843. The next prime is 875681857. The reversal of 875681856 is 658186578.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (875681857) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 389985 + ... + 392223.

Almost surely, 2^875681856 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 875681856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449710080).

875681856 is an abundant number, since it is smaller than the sum of its proper divisors (2023738304).

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

875681856 is a wasteful number, since it uses less digits than its factorization.

875681856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2348 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 875681856 is about 29591.9221410168. The cubic root of 875681856 is about 956.7139732799.

The spelling of 875681856 in words is "eight hundred seventy-five million, six hundred eighty-one thousand, eight hundred fifty-six".