853910851 has 4 divisors (see below), whose sum is σ = 855147304. Its totient is φ = 852674400.

The previous prime is 853910843. The next prime is 853910927. The reversal of 853910851 is 158019358.

853910851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 853910851 - 2³ = 853910843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853910951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617190 + ... + 618571.

It is an arithmetic number, because the mean of its divisors is an integer number (213786826).

Almost surely, 2^853910851 is an apocalyptic number.

853910851 is a deficient number, since it is larger than the sum of its proper divisors (1236453).

853910851 is a wasteful number, since it uses less digits than its factorization.

853910851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236452.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 853910851 is about 29221.7530446070. The cubic root of 853910851 is about 948.7188088526.

The spelling of 853910851 in words is "eight hundred fifty-three million, nine hundred ten thousand, eight hundred fifty-one".