6861875 has 10 divisors (see below), whose sum is σ = 8575380. Its totient is φ = 5489000.

The previous prime is 6861851. The next prime is 6861913. The reversal of 6861875 is 5781686.

It is not a de Polignac number, because 6861875 - 2¹⁰ = 6860851 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4865 + ... + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (857538).

Almost surely, 2^6861875 is an apocalyptic number.

6861875 is a deficient number, since it is larger than the sum of its proper divisors (1713505).

6861875 is an equidigital number, since it uses as much as digits as its factorization.

6861875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10999 (or 10984 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 6861875 is about 2619.5180854501. The cubic root of 6861875 is about 190.0265429215.

The spelling of 6861875 in words is "six million, eight hundred sixty-one thousand, eight hundred seventy-five".