863056044 has 36 divisors (see below), whose sum is σ = 2189348616. Its totient is φ = 286665408.

The previous prime is 863056039. The next prime is 863056063. The reversal of 863056044 is 440650368.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32169 + ... + 52544.

Almost surely, 2^863056044 is an apocalyptic number.

It is an amenable number.

863056044 is an abundant number, since it is smaller than the sum of its proper divisors (1326292572).

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

863056044 is a wasteful number, since it uses less digits than its factorization.

863056044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85006 (or 85001 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 863056044 is about 29377.8155076241. The cubic root of 863056044 is about 952.0936444262.

The spelling of 863056044 in words is "eight hundred sixty-three million, fifty-six thousand, forty-four".