854878 has 4 divisors (see below), whose sum is σ = 1282320. Its totient is φ = 427438.

The previous prime is 854869. The next prime is 854881. The reversal of 854878 is 878458.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 854878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213718 + ... + 213721.

It is an arithmetic number, because the mean of its divisors is an integer number (320580).

2⁸⁵⁴⁸⁷⁸ is an apocalyptic number.

854878 is a deficient number, since it is larger than the sum of its proper divisors (427442).

854878 is a wasteful number, since it uses less digits than its factorization.

854878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427441.

The product of its digits is 71680, while the sum is 40.

The square root of 854878 is about 924.5961280473. The cubic root of 854878 is about 94.9076850231.

The spelling of 854878 in words is "eight hundred fifty-four thousand, eight hundred seventy-eight".