878111828 has 72 divisors (see below), whose sum is σ = 1825054560. Its totient is φ = 365601600.

The previous prime is 878111723. The next prime is 878111831. The reversal of 878111828 is 828111878.

878111828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 802850 + ... + 803942.

It is an arithmetic number, because the mean of its divisors is an integer number (25347980).

Almost surely, 2^878111828 is an apocalyptic number.

It is an amenable number.

878111828 is an abundant number, since it is smaller than the sum of its proper divisors (946942732).

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

878111828 is a wasteful number, since it uses less digits than its factorization.

878111828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1156 counting only the distinct ones).

The product of its digits is 57344, while the sum is 44.

The square root of 878111828 is about 29632.9517260768. The cubic root of 878111828 is about 957.5980999640.

The spelling of 878111828 in words is "eight hundred seventy-eight million, one hundred eleven thousand, eight hundred twenty-eight".