6856377 has 8 divisors (see below), whose sum is σ = 9972960. Its totient is φ = 4155360.

The previous prime is 6856357. The next prime is 6856387. The reversal of 6856377 is 7736586.

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

It is not a de Polignac number, because 6856377 - 2⁷ = 6856249 is a prime.

It is a super-2 number, since 2×6856377² = 94019811132258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856357) 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 7 ways as a sum of consecutive naturals, for example, 103852 + ... + 103917.

It is an arithmetic number, because the mean of its divisors is an integer number (1246620).

Almost surely, 2^6856377 is an apocalyptic number.

It is an amenable number.

6856377 is a deficient number, since it is larger than the sum of its proper divisors (3116583).

6856377 is a wasteful number, since it uses less digits than its factorization.

6856377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207783.

The product of its digits is 211680, while the sum is 42.

The square root of 6856377 is about 2618.4684454849. The cubic root of 6856377 is about 189.9757771521.

The spelling of 6856377 in words is "six million, eight hundred fifty-six thousand, three hundred seventy-seven".