1116777773 has 2 divisors, whose sum is σ = 1116777774. Its totient is φ = 1116777772.

The previous prime is 1116777737. The next prime is 1116777793. The reversal of 1116777773 is 3777776111.

It is a happy number.

Together with previous prime (1116777737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113757129 + 3020644 = 33373^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116777773 - 2⁸ = 1116777517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116777793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558388886 + 558388887.

It is an arithmetic number, because the mean of its divisors is an integer number (558388887).

Almost surely, 2^1116777773 is an apocalyptic number.

It is an amenable number.

1116777773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116777773 is an equidigital number, since it uses as much as digits as its factorization.

1116777773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302526, while the sum is 47.

The square root of 1116777773 is about 33418.2251623272. The cubic root of 1116777773 is about 1037.5019474101.

The spelling of 1116777773 in words is "one billion, one hundred sixteen million, seven hundred seventy-seven thousand, seven hundred seventy-three".