5503777777 has 2 divisors, whose sum is σ = 5503777778. Its totient is φ = 5503777776.

The previous prime is 5503777729. The next prime is 5503777817. The reversal of 5503777777 is 7777773055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3958423056 + 1545354721 = 62916^2 + 39311^2 .

It is a cyclic number.

It is not a de Polignac number, because 5503777777 - 2⁷ = 5503777649 is a prime.

It is not a weakly prime, because it can be changed into another prime (5503777717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751888888 + 2751888889.

It is an arithmetic number, because the mean of its divisors is an integer number (2751888889).

Almost surely, 2^5503777777 is an apocalyptic number.

It is an amenable number.

5503777777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503777777 is an equidigital number, since it uses as much as digits as its factorization.

5503777777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8823675, while the sum is 55.

The square root of 5503777777 is about 74187.4502662007. The cubic root of 5503777777 is about 1765.5782227039.

The spelling of 5503777777 in words is "five billion, five hundred three million, seven hundred seventy-seven thousand, seven hundred seventy-seven".