6378875 has 8 divisors (see below), whose sum is σ = 7960992. Its totient is φ = 5103000.

The previous prime is 6378871. The next prime is 6378877. The reversal of 6378875 is 5788736.

6378875 = 161² + 162² + ... + 285².

It is not a de Polignac number, because 6378875 - 2² = 6378871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6378871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25391 + ... + 25640.

It is an arithmetic number, because the mean of its divisors is an integer number (995124).

Almost surely, 2^6378875 is an apocalyptic number.

6378875 is a deficient number, since it is larger than the sum of its proper divisors (1582117).

6378875 is an equidigital number, since it uses as much as digits as its factorization.

6378875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51046 (or 51036 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 6378875 is about 2525.6434823625. The cubic root of 6378875 is about 185.4590499136.

The spelling of 6378875 in words is "six million, three hundred seventy-eight thousand, eight hundred seventy-five".