282878 has 4 divisors (see below), whose sum is σ = 424320. Its totient is φ = 141438.

The previous prime is 282869. The next prime is 282881. The reversal of 282878 is 878282.

282878 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: 878282 = 2 ⋅439141.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 282878.

It is an unprimeable number.

282878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70718 + ... + 70721.

It is an arithmetic number, because the mean of its divisors is an integer number (106080).

2²⁸²⁸⁷⁸ is an apocalyptic number.

282878 is a deficient number, since it is larger than the sum of its proper divisors (141442).

282878 is a wasteful number, since it uses less digits than its factorization.

282878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141441.

The product of its digits is 14336, while the sum is 35.

The square root of 282878 is about 531.8627642541. The cubic root of 282878 is about 65.6447085174.

The spelling of 282878 in words is "two hundred eighty-two thousand, eight hundred seventy-eight".