868844552 has 16 divisors (see below), whose sum is σ = 1644901440. Its totient is φ = 430204176.

The previous prime is 868844519. The next prime is 868844563. The reversal of 868844552 is 255448868.

It is a self number, because there is not a number n which added to its sum of digits gives 868844552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526388 + ... + 528035.

It is an arithmetic number, because the mean of its divisors is an integer number (102806340).

Almost surely, 2^868844552 is an apocalyptic number.

It is an amenable number.

868844552 is a deficient number, since it is larger than the sum of its proper divisors (776056888).

868844552 is a wasteful number, since it uses less digits than its factorization.

868844552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054532 (or 1054528 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 50.

The square root of 868844552 is about 29476.1692219325. The cubic root of 868844552 is about 954.2174640903.

The spelling of 868844552 in words is "eight hundred sixty-eight million, eight hundred forty-four thousand, five hundred fifty-two".