6885756853 has 4 divisors (see below), whose sum is σ = 6921808128. Its totient is φ = 6849705580.

The previous prime is 6885756851. The next prime is 6885756893. The reversal of 6885756853 is 3586575886.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6885756853 - 2¹ = 6885756851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6885756791 and 6885756800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6885756851) 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, 18025351 + ... + 18025732.

It is an arithmetic number, because the mean of its divisors is an integer number (1730452032).

Almost surely, 2^6885756853 is an apocalyptic number.

It is an amenable number.

6885756853 is a deficient number, since it is larger than the sum of its proper divisors (36051275).

6885756853 is a wasteful number, since it uses less digits than its factorization.

6885756853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36051274.

The product of its digits is 48384000, while the sum is 61.

The square root of 6885756853 is about 82980.4606699674. The cubic root of 6885756853 is about 1902.4674178687.

The spelling of 6885756853 in words is "six billion, eight hundred eighty-five million, seven hundred fifty-six thousand, eight hundred fifty-three".