6887796853 has 4 divisors (see below), whose sum is σ = 7871767840. Its totient is φ = 5903825868.

The previous prime is 6887796829. The next prime is 6887796859. The reversal of 6887796853 is 3586977886.

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 6887796853 - 2⁹ = 6887796341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887796859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491985483 + ... + 491985496.

It is an arithmetic number, because the mean of its divisors is an integer number (1967941960).

Almost surely, 2^6887796853 is an apocalyptic number.

It is an amenable number.

6887796853 is a deficient number, since it is larger than the sum of its proper divisors (983970987).

6887796853 is an equidigital number, since it uses as much as digits as its factorization.

6887796853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983970986.

The product of its digits is 121927680, while the sum is 67.

The square root of 6887796853 is about 82992.7518100225. The cubic root of 6887796853 is about 1902.6552766816.

The spelling of 6887796853 in words is "six billion, eight hundred eighty-seven million, seven hundred ninety-six thousand, eight hundred fifty-three".