868443552 has 48 divisors (see below), whose sum is σ = 2532962880. Its totient is φ = 289480896.

The previous prime is 868443473. The next prime is 868443557. The reversal of 868443552 is 255344868.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 868443498 and 868443507.

It is not an unprimeable number, because it can be changed into a prime (868443557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501708 + ... + 503435.

It is an arithmetic number, because the mean of its divisors is an integer number (52770060).

Almost surely, 2^868443552 is an apocalyptic number.

It is an amenable number.

868443552 is an abundant number, since it is smaller than the sum of its proper divisors (1664519328).

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

868443552 is a wasteful number, since it uses less digits than its factorization.

868443552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005162 (or 1005148 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 868443552 is about 29469.3663318369. The cubic root of 868443552 is about 954.0706407088.

The spelling of 868443552 in words is "eight hundred sixty-eight million, four hundred forty-three thousand, five hundred fifty-two".