288878 has 4 divisors (see below), whose sum is σ = 433320. Its totient is φ = 144438.

The previous prime is 288877. The next prime is 288907. The reversal of 288878 is 878882.

288878 is nontrivially palindromic in base 7.

288878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878882 = 2 ⋅439441.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72218 + ... + 72221.

It is an arithmetic number, because the mean of its divisors is an integer number (108330).

2²⁸⁸⁸⁷⁸ is an apocalyptic number.

288878 is a deficient number, since it is larger than the sum of its proper divisors (144442).

288878 is a wasteful number, since it uses less digits than its factorization.

288878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144441.

The product of its digits is 57344, while the sum is 41.

The square root of 288878 is about 537.4737202878. The cubic root of 288878 is about 66.1055855111.

The spelling of 288878 in words is "two hundred eighty-eight thousand, eight hundred seventy-eight".