485516775677 has 2 divisors, whose sum is σ = 485516775678. Its totient is φ = 485516775676.

The previous prime is 485516775643. The next prime is 485516775781. The reversal of 485516775677 is 776577615584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383896724836 + 101620050841 = 619594^2 + 318779^2 .

It is a cyclic number.

It is not a de Polignac number, because 485516775677 - 2⁸ = 485516775421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485516775617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242758387838 + 242758387839.

It is an arithmetic number, because the mean of its divisors is an integer number (242758387839).

Almost surely, 2^485516775677 is an apocalyptic number.

It is an amenable number.

485516775677 is a deficient number, since it is larger than the sum of its proper divisors (1).

485516775677 is an equidigital number, since it uses as much as digits as its factorization.

485516775677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345744000, while the sum is 68.

The spelling of 485516775677 in words is "four hundred eighty-five billion, five hundred sixteen million, seven hundred seventy-five thousand, six hundred seventy-seven".