289468878 has 16 divisors (see below), whose sum is σ = 581031120. Its totient is φ = 96140736.

The previous prime is 289468873. The next prime is 289468901. The reversal of 289468878 is 878864982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289468873) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85423 + ... + 88746.

It is an arithmetic number, because the mean of its divisors is an integer number (36314445).

Almost surely, 2^289468878 is an apocalyptic number.

289468878 is an abundant number, since it is smaller than the sum of its proper divisors (291562242).

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

289468878 is a wasteful number, since it uses less digits than its factorization.

289468878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174451.

The product of its digits is 12386304, while the sum is 60.

The square root of 289468878 is about 17013.7849404534. The cubic root of 289468878 is about 661.5062613350.

The spelling of 289468878 in words is "two hundred eighty-nine million, four hundred sixty-eight thousand, eight hundred seventy-eight".