853728811 has 8 divisors (see below), whose sum is σ = 919965200. Its totient is φ = 787573152.

The previous prime is 853728803. The next prime is 853728817. The reversal of 853728811 is 118827358.

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

It is a cyclic number.

It is not a de Polignac number, because 853728811 - 2³ = 853728803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853728817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 41413.

It is an arithmetic number, because the mean of its divisors is an integer number (114995650).

Almost surely, 2^853728811 is an apocalyptic number.

853728811 is a deficient number, since it is larger than the sum of its proper divisors (66236389).

853728811 is a wasteful number, since it uses less digits than its factorization.

853728811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40365.

The product of its digits is 107520, while the sum is 43.

The square root of 853728811 is about 29218.6380757215. The cubic root of 853728811 is about 948.6513868862.

The spelling of 853728811 in words is "eight hundred fifty-three million, seven hundred twenty-eight thousand, eight hundred eleven".