6778862178236 has 12 divisors (see below), whose sum is σ = 12005936629512. Its totient is φ = 3348594569808.

The previous prime is 6778862178199. The next prime is 6778862178289. The reversal of 6778862178236 is 6328712688776.

It is a self number, because there is not a number n which added to its sum of digits gives 6778862178236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10209129455 + ... + 10209130118.

It is an arithmetic number, because the mean of its divisors is an integer number (1000494719126).

Almost surely, 2^{6778862178236} is an apocalyptic number.

It is an amenable number.

6778862178236 is a deficient number, since it is larger than the sum of its proper divisors (5227074451276).

6778862178236 is a wasteful number, since it uses less digits than its factorization.

6778862178236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20418259660 (or 20418259658 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 71.

The spelling of 6778862178236 in words is "six trillion, seven hundred seventy-eight billion, eight hundred sixty-two million, one hundred seventy-eight thousand, two hundred thirty-six".