863534568 has 48 divisors (see below), whose sum is σ = 2337685920. Its totient is φ = 265701696.

The previous prime is 863534531. The next prime is 863534569. The reversal of 863534568 is 865435368.

It is not an unprimeable number, because it can be changed into a prime (863534569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102396 + ... + 110507.

It is an arithmetic number, because the mean of its divisors is an integer number (48701790).

Almost surely, 2^863534568 is an apocalyptic number.

It is an amenable number.

863534568 is an abundant number, since it is smaller than the sum of its proper divisors (1474151352).

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

863534568 is a wasteful number, since it uses less digits than its factorization.

863534568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212938 (or 212921 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 863534568 is about 29385.9586877815. The cubic root of 863534568 is about 952.2695756361.

The spelling of 863534568 in words is "eight hundred sixty-three million, five hundred thirty-four thousand, five hundred sixty-eight".