863382128 has 80 divisors (see below), whose sum is σ = 2030655744. Its totient is φ = 347151360.

The previous prime is 863382103. The next prime is 863382181. The reversal of 863382128 is 821283368.

863382128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888683 + ... + 889653.

Almost surely, 2^863382128 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 863382128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015327872).

863382128 is an abundant number, since it is smaller than the sum of its proper divisors (1167273616).

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

863382128 is a wasteful number, since it uses less digits than its factorization.

863382128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1464 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 863382128 is about 29383.3648175290. The cubic root of 863382128 is about 952.2135375332.

The spelling of 863382128 in words is "eight hundred sixty-three million, three hundred eighty-two thousand, one hundred twenty-eight".