868944881448 has 48 divisors (see below), whose sum is σ = 2689591301280. Its totient is φ = 248269965984.

The previous prime is 868944881419. The next prime is 868944881471. The reversal of 868944881448 is 844188449868.

868944881448 is a `hidden beast` number, since 8 + 6 + 8 + 94 + 488 + 14 + 48 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862047990 + ... + 862048997.

It is an arithmetic number, because the mean of its divisors is an integer number (56033152110).

Almost surely, 2^868944881448 is an apocalyptic number.

It is an amenable number.

868944881448 is an abundant number, since it is smaller than the sum of its proper divisors (1820646419832).

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

868944881448 is a wasteful number, since it uses less digits than its factorization.

868944881448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724097006 (or 1724096999 counting only the distinct ones).

The product of its digits is 452984832, while the sum is 72.

The spelling of 868944881448 in words is "eight hundred sixty-eight billion, nine hundred forty-four million, eight hundred eighty-one thousand, four hundred forty-eight".