9679044890856 has 192 divisors, whose sum is σ = 26710195075200. Its totient is φ = 2920616455680.

The previous prime is 9679044890777. The next prime is 9679044890887. The reversal of 9679044890856 is 6580984409769.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1825199101 + ... + 1825204403.

It is an arithmetic number, because the mean of its divisors is an integer number (139115599350).

Almost surely, 2^{9679044890856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9679044890856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13355097537600).

9679044890856 is an abundant number, since it is smaller than the sum of its proper divisors (17031150184344).

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

9679044890856 is a wasteful number, since it uses less digits than its factorization.

9679044890856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880 (or 7865 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 9679044890856 in words is "nine trillion, six hundred seventy-nine billion, forty-four million, eight hundred ninety thousand, eight hundred fifty-six".