878122368 has 192 divisors, whose sum is σ = 2654545920. Its totient is φ = 278277120.

The previous prime is 878122351. The next prime is 878122387. The reversal of 878122368 is 863221878.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2392521 + ... + 2392887.

It is an arithmetic number, because the mean of its divisors is an integer number (13825760).

Almost surely, 2^878122368 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 878122368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327272960).

878122368 is an abundant number, since it is smaller than the sum of its proper divisors (1776423552).

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

878122368 is a wasteful number, since it uses less digits than its factorization.

878122368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 470 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 878122368 is about 29633.1295681033. The cubic root of 878122368 is about 957.6019313073.

The spelling of 878122368 in words is "eight hundred seventy-eight million, one hundred twenty-two thousand, three hundred sixty-eight".