6878755 has 16 divisors (see below), whose sum is σ = 8989344. Its totient is φ = 5022720.

The previous prime is 6878749. The next prime is 6878759. The reversal of 6878755 is 5578786.

It is a de Polignac number, because none of the positive numbers 2^k-6878755 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6878759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (561834).

Almost surely, 2^6878755 is an apocalyptic number.

6878755 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6878755 is a deficient number, since it is larger than the sum of its proper divisors (2110589).

6878755 is a wasteful number, since it uses less digits than its factorization.

6878755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its digits is 470400, while the sum is 46.

The square root of 6878755 is about 2622.7380730832. The cubic root of 6878755 is about 190.1822351288.

The spelling of 6878755 in words is "six million, eight hundred seventy-eight thousand, seven hundred fifty-five".