6875663 has 4 divisors (see below), whose sum is σ = 7237560. Its totient is φ = 6513768.

The previous prime is 6875623. The next prime is 6875717. The reversal of 6875663 is 3665786.

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 6875663 - 2¹² = 6871567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6875663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6875623) 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, 180920 + ... + 180957.

It is an arithmetic number, because the mean of its divisors is an integer number (1809390).

Almost surely, 2^6875663 is an apocalyptic number.

6875663 is a deficient number, since it is larger than the sum of its proper divisors (361897).

6875663 is a wasteful number, since it uses less digits than its factorization.

6875663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361896.

The product of its digits is 181440, while the sum is 41.

The square root of 6875663 is about 2622.1485465168. The cubic root of 6875663 is about 190.1537352234.

The spelling of 6875663 in words is "six million, eight hundred seventy-five thousand, six hundred sixty-three".