1122784566679 has 2 divisors, whose sum is σ = 1122784566680. Its totient is φ = 1122784566678.

The previous prime is 1122784566661. The next prime is 1122784566823. The reversal of 1122784566679 is 9766654872211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122784566679 - 2¹³ = 1122784558487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122784566679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122784566619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561392283339 + 561392283340.

It is an arithmetic number, because the mean of its divisors is an integer number (561392283340).

Almost surely, 2^{1122784566679} is an apocalyptic number.

1122784566679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122784566679 is an equidigital number, since it uses as much as digits as its factorization.

1122784566679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 64.

The spelling of 1122784566679 in words is "one trillion, one hundred twenty-two billion, seven hundred eighty-four million, five hundred sixty-six thousand, six hundred seventy-nine".