863083136 has 32 divisors (see below), whose sum is σ = 1740160800. Its totient is φ = 426337024.

The previous prime is 863083129. The next prime is 863083139. The reversal of 863083136 is 631380368.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 863083136.

It is not an unprimeable number, because it can be changed into a prime (863083139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29996 + ... + 51243.

It is an arithmetic number, because the mean of its divisors is an integer number (54380025).

Almost surely, 2^863083136 is an apocalyptic number.

It is an amenable number.

863083136 is an abundant number, since it is smaller than the sum of its proper divisors (877077664).

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

863083136 is an equidigital number, since it uses as much as digits as its factorization.

863083136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81336 (or 81324 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 863083136 is about 29378.2766002364. The cubic root of 863083136 is about 952.1036066418.

The spelling of 863083136 in words is "eight hundred sixty-three million, eighty-three thousand, one hundred thirty-six".