8426669716782 has 12 divisors (see below), whose sum is σ = 18257784386400. Its totient is φ = 2808889905588.

The previous prime is 8426669716763. The next prime is 8426669716831. The reversal of 8426669716782 is 2876179666248.

It is a self number, because there is not a number n which added to its sum of digits gives 8426669716782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234074158782 + ... + 234074158817.

It is an arithmetic number, because the mean of its divisors is an integer number (1521482032200).

Almost surely, 2^{8426669716782} is an apocalyptic number.

8426669716782 is an abundant number, since it is smaller than the sum of its proper divisors (9831114669618).

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

8426669716782 is a wasteful number, since it uses less digits than its factorization.

8426669716782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468148317607 (or 468148317604 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 8426669716782 in words is "eight trillion, four hundred twenty-six billion, six hundred sixty-nine million, seven hundred sixteen thousand, seven hundred eighty-two".