6878365 has 32 divisors (see below), whose sum is σ = 9525600. Its totient is φ = 4730880.

The previous prime is 6878363. The next prime is 6878369. The reversal of 6878365 is 5638786.

It can be written as a sum of positive squares in 16 ways, for example, as 5433561 + 1444804 = 2331^2 + 1202^2 .

It is not a de Polignac number, because 6878365 - 2¹ = 6878363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878363) 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 31 ways as a sum of consecutive naturals, for example, 77241 + ... + 77329.

It is an arithmetic number, because the mean of its divisors is an integer number (297675).

Almost surely, 2^6878365 is an apocalyptic number.

6878365 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6878365 is a deficient number, since it is larger than the sum of its proper divisors (2647235).

6878365 is a wasteful number, since it uses less digits than its factorization.

6878365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its digits is 241920, while the sum is 43.

The square root of 6878365 is about 2622.6637222488. The cubic root of 6878365 is about 190.1786408508.

The spelling of 6878365 in words is "six million, eight hundred seventy-eight thousand, three hundred sixty-five".