853720279143 has 16 divisors (see below), whose sum is σ = 1151214508800. Its totient is φ = 562687906880.

The previous prime is 853720279141. The next prime is 853720279163. The reversal of 853720279143 is 341972027358.

853720279143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 853720279143 - 2¹ = 853720279141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853720279141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2228518 + ... + 2583356.

It is an arithmetic number, because the mean of its divisors is an integer number (71950906800).

Almost surely, 2^853720279143 is an apocalyptic number.

853720279143 is a deficient number, since it is larger than the sum of its proper divisors (297494229657).

853720279143 is a wasteful number, since it uses less digits than its factorization.

853720279143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363942.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 853720279143 in words is "eight hundred fifty-three billion, seven hundred twenty million, two hundred seventy-nine thousand, one hundred forty-three".