863056944 has 100 divisors (see below), whose sum is σ = 2504377656. Its totient is φ = 286944768.

The previous prime is 863056939. The next prime is 863056967. The reversal of 863056944 is 449650368.

863056944 is a `hidden beast` number, since 8 + 630 + 5 + 6 + 9 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 863056944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 767967 + ... + 769089.

Almost surely, 2^863056944 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 863056944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252188828).

863056944 is an abundant number, since it is smaller than the sum of its proper divisors (1641320712).

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

863056944 is a wasteful number, since it uses less digits than its factorization.

863056944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 863056944 is about 29377.8308253009. The cubic root of 863056944 is about 952.0939753757.

The spelling of 863056944 in words is "eight hundred sixty-three million, fifty-six thousand, nine hundred forty-four".