853853923551 has 8 divisors (see below), whose sum is σ = 1138511734704. Its totient is φ = 569216030720.

The previous prime is 853853923519. The next prime is 853853923621. The reversal of 853853923551 is 155329358358.

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 853853923551 - 2⁵ = 853853923519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 853853923491 and 853853923500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853853923051) 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 7 ways as a sum of consecutive naturals, for example, 4879266 + ... + 5051231.

It is an arithmetic number, because the mean of its divisors is an integer number (142313966838).

Almost surely, 2^853853923551 is an apocalyptic number.

853853923551 is a deficient number, since it is larger than the sum of its proper divisors (284657811153).

853853923551 is a wasteful number, since it uses less digits than its factorization.

853853923551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959161.

The product of its digits is 19440000, while the sum is 57.

The spelling of 853853923551 in words is "eight hundred fifty-three billion, eight hundred fifty-three million, nine hundred twenty-three thousand, five hundred fifty-one".