879943679980 has 72 divisors (see below), whose sum is σ = 1970441893728. Its totient is φ = 330012751872.

The previous prime is 879943679971. The next prime is 879943679983. The reversal of 879943679980 is 89976349978.

It is a self number, because there is not a number n which added to its sum of digits gives 879943679980.

It is not an unprimeable number, because it can be changed into a prime (879943679983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1230712 + ... + 1809568.

It is an arithmetic number, because the mean of its divisors is an integer number (27367248524).

Almost surely, 2^879943679980 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 879943679980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985220946864).

879943679980 is an abundant number, since it is smaller than the sum of its proper divisors (1090498213748).

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

879943679980 is a wasteful number, since it uses less digits than its factorization.

879943679980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579163 (or 579144 counting only the distinct ones).

The product of its (nonzero) digits is 1481421312, while the sum is 79.

The spelling of 879943679980 in words is "eight hundred seventy-nine billion, nine hundred forty-three million, six hundred seventy-nine thousand, nine hundred eighty".