6787117 has 8 divisors (see below), whose sum is σ = 6915456. Its totient is φ = 6660192.

The previous prime is 6787091. The next prime is 6787133. The reversal of 6787117 is 7117876.

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 6787117 - 2¹⁹ = 6262829 is a prime.

It is a Duffinian number.

6787117 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6787147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14428 + ... + 14890.

It is an arithmetic number, because the mean of its divisors is an integer number (864432).

Almost surely, 2^6787117 is an apocalyptic number.

It is an amenable number.

6787117 is a deficient number, since it is larger than the sum of its proper divisors (128339).

6787117 is a wasteful number, since it uses less digits than its factorization.

6787117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its digits is 16464, while the sum is 37.

The square root of 6787117 is about 2605.2095884976. The cubic root of 6787117 is about 189.3339281071. Note that the first 3 decimals are identical.

The spelling of 6787117 in words is "six million, seven hundred eighty-seven thousand, one hundred seventeen".