6778079 has 32 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 4838400.

The previous prime is 6778073. The next prime is 6778099. The reversal of 6778079 is 9708776.

It is not a de Polignac number, because 6778079 - 2⁴ = 6778063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59927 + ... + 60039.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

Almost surely, 2^6778079 is an apocalyptic number.

6778079 is a deficient number, since it is larger than the sum of its proper divisors (2414881).

6778079 is a wasteful number, since it uses less digits than its factorization.

6778079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 6778079 is about 2603.4744093230. The cubic root of 6778079 is about 189.2498491983.

The spelling of 6778079 in words is "six million, seven hundred seventy-eight thousand, seventy-nine".