853923115427 has 4 divisors (see below), whose sum is σ = 855255289416. Its totient is φ = 852590941440.

The previous prime is 853923115393. The next prime is 853923115433. The reversal of 853923115427 is 724511329358.

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 853923115427 - 2⁶ = 853923115363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853923115447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666086033 + ... + 666087314.

It is an arithmetic number, because the mean of its divisors is an integer number (213813822354).

Almost surely, 2^853923115427 is an apocalyptic number.

853923115427 is a deficient number, since it is larger than the sum of its proper divisors (1332173989).

853923115427 is a wasteful number, since it uses less digits than its factorization.

853923115427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332173988.

The product of its digits is 1814400, while the sum is 50.

The spelling of 853923115427 in words is "eight hundred fifty-three billion, nine hundred twenty-three million, one hundred fifteen thousand, four hundred twenty-seven".