878923489 has 8 divisors (see below), whose sum is σ = 926820000. Its totient is φ = 831190752.

The previous prime is 878923481. The next prime is 878923543. The reversal of 878923489 is 984329878.

878923489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878923489 - 2³ = 878923481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878923481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29839 + ... + 51460.

It is an arithmetic number, because the mean of its divisors is an integer number (115852500).

Almost surely, 2^878923489 is an apocalyptic number.

It is an amenable number.

878923489 is a deficient number, since it is larger than the sum of its proper divisors (47896511).

878923489 is a wasteful number, since it uses less digits than its factorization.

878923489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81887.

The product of its digits is 6967296, while the sum is 58.

The square root of 878923489 is about 29646.6438066773. The cubic root of 878923489 is about 957.8930531631.

The spelling of 878923489 in words is "eight hundred seventy-eight million, nine hundred twenty-three thousand, four hundred eighty-nine".