6678377 has 4 divisors (see below), whose sum is σ = 6706560. Its totient is φ = 6650196.

The previous prime is 6678317. The next prime is 6678383. The reversal of 6678377 is 7738766.

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.

It is a cyclic number.

It is not a de Polignac number, because 6678377 - 2⁶ = 6678313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6678317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13733 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (1676640).

Almost surely, 2^6678377 is an apocalyptic number.

It is an amenable number.

6678377 is a deficient number, since it is larger than the sum of its proper divisors (28183).

6678377 is a wasteful number, since it uses less digits than its factorization.

6678377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28182.

The product of its digits is 296352, while the sum is 44.

The square root of 6678377 is about 2584.2555988137. The cubic root of 6678377 is about 188.3173397718.

The spelling of 6678377 in words is "six million, six hundred seventy-eight thousand, three hundred seventy-seven".