853084547 has 4 divisors (see below), whose sum is σ = 974953776. Its totient is φ = 731215320.

The previous prime is 853084537. The next prime is 853084549. The reversal of 853084547 is 745480358.

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

It is a cyclic number.

It is not a de Polignac number, because 853084547 - 2⁶ = 853084483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 853084498 and 853084507.

It is not an unprimeable number, because it can be changed into a prime (853084549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60934604 + ... + 60934617.

It is an arithmetic number, because the mean of its divisors is an integer number (243738444).

Almost surely, 2^853084547 is an apocalyptic number.

853084547 is a deficient number, since it is larger than the sum of its proper divisors (121869229).

853084547 is a wasteful number, since it uses less digits than its factorization.

853084547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121869228.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 853084547 is about 29207.6111142284. The cubic root of 853084547 is about 948.4126944834.

The spelling of 853084547 in words is "eight hundred fifty-three million, eighty-four thousand, five hundred forty-seven".