854878678 has 8 divisors (see below), whose sum is σ = 1289997072. Its totient is φ = 424879656.

The previous prime is 854878649. The next prime is 854878693. The reversal of 854878678 is 876878458.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279425 + ... + 1280092.

It is an arithmetic number, because the mean of its divisors is an integer number (161249634).

Almost surely, 2^854878678 is an apocalyptic number.

854878678 is a deficient number, since it is larger than the sum of its proper divisors (435118394).

854878678 is a wasteful number, since it uses less digits than its factorization.

854878678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559686.

The product of its digits is 24084480, while the sum is 61.

The square root of 854878678 is about 29238.3083984009. The cubic root of 854878678 is about 949.0771011341.

The spelling of 854878678 in words is "eight hundred fifty-four million, eight hundred seventy-eight thousand, six hundred seventy-eight".