6228389567779 has 16 divisors (see below), whose sum is σ = 6489823472640. Its totient is φ = 5970745536480.

The previous prime is 6228389567749. The next prime is 6228389567797. The reversal of 6228389567779 is 9777659838226.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6228389567779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6228389567699 and 6228389567708.

It is not an unprimeable number, because it can be changed into a prime (6228389567749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58023732 + ... + 58130974.

It is an arithmetic number, because the mean of its divisors is an integer number (405613967040).

Almost surely, 2^{6228389567779} is an apocalyptic number.

6228389567779 is a deficient number, since it is larger than the sum of its proper divisors (261433904861).

6228389567779 is a wasteful number, since it uses less digits than its factorization.

6228389567779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124890.

The product of its digits is 3840721920, while the sum is 79.

The spelling of 6228389567779 in words is "six trillion, two hundred twenty-eight billion, three hundred eighty-nine million, five hundred sixty-seven thousand, seven hundred seventy-nine".