863840800652 has 6 divisors (see below), whose sum is σ = 1511721401148. Its totient is φ = 431920400324.

The previous prime is 863840800633. The next prime is 863840800687. The reversal of 863840800652 is 256008048368.

It is a self number, because there is not a number n which added to its sum of digits gives 863840800652.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107980100078 + ... + 107980100085.

It is an arithmetic number, because the mean of its divisors is an integer number (251953566858).

Almost surely, 2^863840800652 is an apocalyptic number.

It is an amenable number.

863840800652 is a deficient number, since it is larger than the sum of its proper divisors (647880600496).

863840800652 is a wasteful number, since it uses less digits than its factorization.

863840800652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215960200167 (or 215960200165 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 863840800652 in words is "eight hundred sixty-three billion, eight hundred forty million, eight hundred thousand, six hundred fifty-two".