485827555757777 has 2 divisors, whose sum is σ = 485827555757778. Its totient is φ = 485827555757776.

The previous prime is 485827555757759. The next prime is 485827555757801. The reversal of 485827555757777 is 777757555728584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244644916394641 + 241182639363136 = 15641129^2 + 15530056^2 .

It is a cyclic number.

It is not a de Polignac number, because 485827555757777 - 2¹² = 485827555753681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 485827555757692 and 485827555757701.

It is not a weakly prime, because it can be changed into another prime (485827555757707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242913777878888 + 242913777878889.

It is an arithmetic number, because the mean of its divisors is an integer number (242913777878889).

Almost surely, 2^{485827555757777} is an apocalyptic number.

It is an amenable number.

485827555757777 is a deficient number, since it is larger than the sum of its proper divisors (1).

485827555757777 is an equidigital number, since it uses as much as digits as its factorization.

485827555757777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188238400000, while the sum is 89.

The spelling of 485827555757777 in words is "four hundred eighty-five trillion, eight hundred twenty-seven billion, five hundred fifty-five million, seven hundred fifty-seven thousand, seven hundred seventy-seven".