863043328 has 72 divisors (see below), whose sum is σ = 2010903552. Its totient is φ = 361970688.

The previous prime is 863043323. The next prime is 863043341. The reversal of 863043328 is 823340368.

863043328 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 not an unprimeable number, because it can be changed into a prime (863043323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79101 + ... + 89347.

It is an arithmetic number, because the mean of its divisors is an integer number (27929216).

Almost surely, 2^863043328 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 863043328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005451776).

863043328 is an abundant number, since it is smaller than the sum of its proper divisors (1147860224).

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

863043328 is a wasteful number, since it uses less digits than its factorization.

863043328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317 (or 10303 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 863043328 is about 29377.5990850171. The cubic root of 863043328 is about 952.0889684524.

The spelling of 863043328 in words is "eight hundred sixty-three million, forty-three thousand, three hundred twenty-eight".