6778195 has 8 divisors (see below), whose sum is σ = 8232336. Its totient is φ = 5356896.

The previous prime is 6778183. The next prime is 6778201. The reversal of 6778195 is 5918776.

6778195 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6778195 - 2²¹ = 4681043 is a prime.

It is a Duffinian number.

6778195 is a lucky 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, 7752 + ... + 8581.

It is an arithmetic number, because the mean of its divisors is an integer number (1029042).

Almost surely, 2^6778195 is an apocalyptic number.

6778195 is a deficient number, since it is larger than the sum of its proper divisors (1454141).

6778195 is a wasteful number, since it uses less digits than its factorization.

6778195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16421.

The product of its digits is 105840, while the sum is 43.

The square root of 6778195 is about 2603.4966871498. The cubic root of 6778195 is about 189.2509287991.

It can be divided in two parts, 67781 and 95, that added together give a palindrome (67876).

The spelling of 6778195 in words is "six million, seven hundred seventy-eight thousand, one hundred ninety-five".