6777798 has 16 divisors (see below), whose sum is σ = 14353200. Its totient is φ = 2126336.

The previous prime is 6777769. The next prime is 6777803. The reversal of 6777798 is 8977776.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 6777798.

It is a congruent 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, 33123 + ... + 33326.

It is an arithmetic number, because the mean of its divisors is an integer number (897075).

Almost surely, 2^6777798 is an apocalyptic number.

6777798 is an abundant number, since it is smaller than the sum of its proper divisors (7575402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6777798 is a wasteful number, since it uses less digits than its factorization.

6777798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66471.

The product of its digits is 1037232, while the sum is 51.

The square root of 6777798 is about 2603.4204424180. The cubic root of 6777798 is about 189.2472339076.

The spelling of 6777798 in words is "six million, seven hundred seventy-seven thousand, seven hundred ninety-eight".