854785547 has 72 divisors (see below), whose sum is σ = 1200863232. Its totient is φ = 600415200.

The previous prime is 854785541. The next prime is 854785549. The reversal of 854785547 is 745587458.

It is a de Polignac number, because none of the positive numbers 2^k-854785547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854785541) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4475222 + ... + 4475412.

It is an arithmetic number, because the mean of its divisors is an integer number (16678656).

Almost surely, 2^854785547 is an apocalyptic number.

854785547 is a deficient number, since it is larger than the sum of its proper divisors (346077685).

854785547 is a wasteful number, since it uses less digits than its factorization.

854785547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 251 counting only the distinct ones).

The product of its digits is 6272000, while the sum is 53.

The square root of 854785547 is about 29236.7157355268. The cubic root of 854785547 is about 949.0426355381.

The spelling of 854785547 in words is "eight hundred fifty-four million, seven hundred eighty-five thousand, five hundred forty-seven".