878193404928 has 880 divisors, whose sum is σ = 3196755422784. Its totient is φ = 234419650560.

The previous prime is 878193404923. The next prime is 878193404947. The reversal of 878193404928 is 829404391878.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (878193404923) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1904974618 + ... + 1904975078.

Almost surely, 2^878193404928 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 878193404928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598377711392).

878193404928 is an abundant number, since it is smaller than the sum of its proper divisors (2318562017856).

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

878193404928 is a wasteful number, since it uses less digits than its factorization.

878193404928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 878193404928 in words is "eight hundred seventy-eight billion, one hundred ninety-three million, four hundred four thousand, nine hundred twenty-eight".