6878555 has 8 divisors (see below), whose sum is σ = 8377872. Its totient is φ = 5420448.

The previous prime is 6878533. The next prime is 6878567. The reversal of 6878555 is 5558786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6878555 - 2⁶ = 6878491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9932 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (1047234).

Almost surely, 2^6878555 is an apocalyptic number.

6878555 is a deficient number, since it is larger than the sum of its proper divisors (1499317).

6878555 is a wasteful number, since it uses less digits than its factorization.

6878555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20605.

The product of its digits is 336000, while the sum is 44.

The square root of 6878555 is about 2622.6999447135. The cubic root of 6878555 is about 190.1803919263.

The spelling of 6878555 in words is "six million, eight hundred seventy-eight thousand, five hundred fifty-five".