6780697268 has 12 divisors (see below), whose sum is σ = 11900223300. Its totient is φ = 3380633472.

The previous prime is 6780697267. The next prime is 6780697289. The reversal of 6780697268 is 8627960876.

It can be written as a sum of positive squares in 2 ways, for example, as 2171373604 + 4609323664 = 46598^2 + 67892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780697267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2427221 + ... + 2430012.

It is an arithmetic number, because the mean of its divisors is an integer number (991685275).

Almost surely, 2^6780697268 is an apocalyptic number.

It is an amenable number.

6780697268 is a deficient number, since it is larger than the sum of its proper divisors (5119526032).

6780697268 is a wasteful number, since it uses less digits than its factorization.

6780697268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857586 (or 4857584 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 6780697268 is about 82344.9893314706. The cubic root of 6780697268 is about 1892.7421416644.

The spelling of 6780697268 in words is "six billion, seven hundred eighty million, six hundred ninety-seven thousand, two hundred sixty-eight".