8447421118344 has 64 divisors (see below), whose sum is σ = 22762782940800. Its totient is φ = 2596952088576.

The previous prime is 8447421118327. The next prime is 8447421118369. The reversal of 8447421118344 is 4438111247448.

It is a super-3 number, since 3×8447421118344³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11381404 + ... + 12100875.

It is an arithmetic number, because the mean of its divisors is an integer number (355668483450).

Almost surely, 2^{8447421118344} is an apocalyptic number.

It is an amenable number.

8447421118344 is an abundant number, since it is smaller than the sum of its proper divisors (14315361822456).

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

8447421118344 is a wasteful number, since it uses less digits than its factorization.

8447421118344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23483454 (or 23483450 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 51.

The spelling of 8447421118344 in words is "eight trillion, four hundred forty-seven billion, four hundred twenty-one million, one hundred eighteen thousand, three hundred forty-four".