879219030912 has 128 divisors (see below), whose sum is σ = 2354360009760. Its totient is φ = 290703409152.

The previous prime is 879219030871. The next prime is 879219030919. The reversal of 879219030912 is 219030912978.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×879219030912² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879219030919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35738488 + ... + 35763080.

Almost surely, 2^879219030912 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 879219030912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177180004880).

879219030912 is an abundant number, since it is smaller than the sum of its proper divisors (1475140978848).

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

879219030912 is a wasteful number, since it uses less digits than its factorization.

879219030912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25360 (or 25348 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 879219030912 in words is "eight hundred seventy-nine billion, two hundred nineteen million, thirty thousand, nine hundred twelve".