6678055 has 4 divisors (see below), whose sum is σ = 8013672. Its totient is φ = 5342440.

The previous prime is 6678037. The next prime is 6678079. The reversal of 6678055 is 5508766.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6678055 - 2⁹ = 6677543 is a prime.

It is a Duffinian number.

6678055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 667801 + ... + 667810.

It is an arithmetic number, because the mean of its divisors is an integer number (2003418).

Almost surely, 2^6678055 is an apocalyptic number.

6678055 is a deficient number, since it is larger than the sum of its proper divisors (1335617).

6678055 is a wasteful number, since it uses less digits than its factorization.

6678055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335616.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 6678055 is about 2584.1932977237. The cubic root of 6678055 is about 188.3143131304.

The spelling of 6678055 in words is "six million, six hundred seventy-eight thousand, fifty-five".