878159232 has 128 divisors (see below), whose sum is σ = 2624623200. Its totient is φ = 292626432.

The previous prime is 878159231. The next prime is 878159239. The reversal of 878159232 is 232951878.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878159231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278368 + ... + 281504.

Almost surely, 2^878159232 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 878159232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312311600).

878159232 is an abundant number, since it is smaller than the sum of its proper divisors (1746463968).

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

878159232 is an frugal number, since it uses more digits than its factorization.

878159232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3142 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 878159232 is about 29633.7515681022. The cubic root of 878159232 is about 957.6153313165.

The spelling of 878159232 in words is "eight hundred seventy-eight million, one hundred fifty-nine thousand, two hundred thirty-two".