868355448 has 16 divisors (see below), whose sum is σ = 2170888680. Its totient is φ = 289451808.

The previous prime is 868355447. The next prime is 868355483. The reversal of 868355448 is 844553868.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 868355448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868355447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18090715 + ... + 18090762.

Almost surely, 2^868355448 is an apocalyptic number.

It is an amenable number.

868355448 is an abundant number, since it is smaller than the sum of its proper divisors (1302533232).

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

868355448 is a wasteful number, since it uses less digits than its factorization.

868355448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36181486 (or 36181482 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 51.

The square root of 868355448 is about 29467.8714535000. The cubic root of 868355448 is about 954.0383759818.

The spelling of 868355448 in words is "eight hundred sixty-eight million, three hundred fifty-five thousand, four hundred forty-eight".