6780117 has 4 divisors (see below), whose sum is σ = 9040160. Its totient is φ = 4520076.

The previous prime is 6780097. The next prime is 6780119. The reversal of 6780117 is 7110876.

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 not a de Polignac number, because 6780117 - 2¹⁰ = 6779093 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780119) 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, 1130017 + ... + 1130022.

It is an arithmetic number, because the mean of its divisors is an integer number (2260040).

Almost surely, 2^6780117 is an apocalyptic number.

It is an amenable number.

6780117 is a deficient number, since it is larger than the sum of its proper divisors (2260043).

6780117 is a wasteful number, since it uses less digits than its factorization.

6780117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260042.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 6780117 is about 2603.8657799510. The cubic root of 6780117 is about 189.2688148740.

The spelling of 6780117 in words is "six million, seven hundred eighty thousand, one hundred seventeen".