855648882 has 96 divisors (see below), whose sum is σ = 2061521280. Its totient is φ = 254338560.

The previous prime is 855648881. The next prime is 855648883. The reversal of 855648882 is 288846558.

It is a happy number.

855648882 is a `hidden beast` number, since 8 + 556 + 4 + 8 + 8 + 82 = 666.

It is an interprime number because it is at equal distance from previous prime (855648881) and next prime (855648883).

It is not an unprimeable number, because it can be changed into a prime (855648881) 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 47 ways as a sum of consecutive naturals, for example, 3736344 + ... + 3736572.

It is an arithmetic number, because the mean of its divisors is an integer number (21474180).

Almost surely, 2^855648882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855648882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030760640).

855648882 is an abundant number, since it is smaller than the sum of its proper divisors (1205872398).

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

855648882 is a wasteful number, since it uses less digits than its factorization.

855648882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 525 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 54.

The square root of 855648882 is about 29251.4765781148. The cubic root of 855648882 is about 949.3620396411.

The spelling of 855648882 in words is "eight hundred fifty-five million, six hundred forty-eight thousand, eight hundred eighty-two".