8167856853 has 16 divisors (see below), whose sum is σ = 12238128000. Its totient is φ = 4807834944.

The previous prime is 8167856833. The next prime is 8167856867. The reversal of 8167856853 is 3586587618.

It is not a de Polignac number, because 8167856853 - 2⁵ = 8167856821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8167856793 and 8167856802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8167856833) 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, 4551978 + ... + 4553771.

It is an arithmetic number, because the mean of its divisors is an integer number (764883000).

Almost surely, 2^8167856853 is an apocalyptic number.

It is an amenable number.

8167856853 is a deficient number, since it is larger than the sum of its proper divisors (4070271147).

8167856853 is a wasteful number, since it uses less digits than its factorization.

8167856853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105788.

The product of its digits is 9676800, while the sum is 57.

The square root of 8167856853 is about 90376.1962742403. The cubic root of 8167856853 is about 2013.8913627196.

The spelling of 8167856853 in words is "eight billion, one hundred sixty-seven million, eight hundred fifty-six thousand, eight hundred fifty-three".