854913878 has 72 divisors (see below), whose sum is σ = 1656025560. Its totient is φ = 329696640.

The previous prime is 854913869. The next prime is 854913883. The reversal of 854913878 is 878319458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 678413 + ... + 679671.

It is an arithmetic number, because the mean of its divisors is an integer number (23000355).

Almost surely, 2^854913878 is an apocalyptic number.

854913878 is a deficient number, since it is larger than the sum of its proper divisors (801111682).

854913878 is a wasteful number, since it uses less digits than its factorization.

854913878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1322 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 854913878 is about 29238.9103422135. The cubic root of 854913878 is about 949.0901271756.

The spelling of 854913878 in words is "eight hundred fifty-four million, nine hundred thirteen thousand, eight hundred seventy-eight".