878174719872 has 128 divisors (see below), whose sum is σ = 2391209631360. Its totient is φ = 285401044992.

The previous prime is 878174719853. The next prime is 878174719913. The reversal of 878174719872 is 278917471878.

878174719872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 878174719797 and 878174719806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9149443 + ... + 9244925.

It is an arithmetic number, because the mean of its divisors is an integer number (18681325245).

Almost surely, 2^878174719872 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 878174719872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195604815680).

878174719872 is an abundant number, since it is smaller than the sum of its proper divisors (1513034911488).

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

878174719872 is a wasteful number, since it uses less digits than its factorization.

878174719872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96100 (or 96088 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 69.

The spelling of 878174719872 in words is "eight hundred seventy-eight billion, one hundred seventy-four million, seven hundred nineteen thousand, eight hundred seventy-two".