6780227816 has 16 divisors (see below), whose sum is σ = 12713832900. Its totient is φ = 3389872384.

The previous prime is 6780227813. The next prime is 6780227819. The reversal of 6780227816 is 6187220876.

It is an interprime number because it is at equal distance from previous prime (6780227813) and next prime (6780227819).

It can be written as a sum of positive squares in 2 ways, for example, as 6768352900 + 11874916 = 82270^2 + 3446^2 .

It is not an unprimeable number, because it can be changed into a prime (6780227813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158450 + ... + 196638.

Almost surely, 2^6780227816 is an apocalyptic number.

It is an amenable number.

6780227816 is a deficient number, since it is larger than the sum of its proper divisors (5933605084).

6780227816 is a wasteful number, since it uses less digits than its factorization.

6780227816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60388 (or 60384 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 6780227816 is about 82342.1387626044. The cubic root of 6780227816 is about 1892.6984602132.

The spelling of 6780227816 in words is "six billion, seven hundred eighty million, two hundred twenty-seven thousand, eight hundred sixteen".