853847000847 has 48 divisors (see below), whose sum is σ = 1249172990208. Its totient is φ = 561972203520.

The previous prime is 853847000843. The next prime is 853847000869. The reversal of 853847000847 is 748000748358.

It is a happy number.

It is not a de Polignac number, because 853847000847 - 2² = 853847000843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 853847000793 and 853847000802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853847000843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 352391278 + ... + 352393700.

It is an arithmetic number, because the mean of its divisors is an integer number (26024437296).

Almost surely, 2^853847000847 is an apocalyptic number.

853847000847 is a deficient number, since it is larger than the sum of its proper divisors (395325989361).

853847000847 is a wasteful number, since it uses less digits than its factorization.

853847000847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 54.

The spelling of 853847000847 in words is "eight hundred fifty-three billion, eight hundred forty-seven million, eight hundred forty-seven", and thus it is an aban number.