6878057 has 4 divisors (see below), whose sum is σ = 7240080. Its totient is φ = 6516036.

The previous prime is 6878033. The next prime is 6878059. The reversal of 6878057 is 7508786.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7508786 = 2 ⋅3754393.

It is a cyclic number.

It is not a de Polignac number, because 6878057 - 2⁶ = 6877993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6878059) 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 3 ways as a sum of consecutive naturals, for example, 180983 + ... + 181020.

It is an arithmetic number, because the mean of its divisors is an integer number (1810020).

Almost surely, 2^6878057 is an apocalyptic number.

It is an amenable number.

6878057 is a deficient number, since it is larger than the sum of its proper divisors (362023).

6878057 is a wasteful number, since it uses less digits than its factorization.

6878057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362022.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 6878057 is about 2622.6050026643. The cubic root of 6878057 is about 190.1758021968.

It can be divided in two parts, 68 and 78057, that added together give a 7-th power (78125 = 5⁷).

The spelling of 6878057 in words is "six million, eight hundred seventy-eight thousand, fifty-seven".