485884615187557 has 2 divisors, whose sum is σ = 485884615187558. Its totient is φ = 485884615187556.

The previous prime is 485884615187473. The next prime is 485884615187561. The reversal of 485884615187557 is 755781516488584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433936976971716 + 51947638215841 = 20831154^2 + 7207471^2 .

It is a cyclic number.

It is not a de Polignac number, because 485884615187557 - 2²³ = 485884606798949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485884615187057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242942307593778 + 242942307593779.

It is an arithmetic number, because the mean of its divisors is an integer number (242942307593779).

Almost surely, 2^{485884615187557} is an apocalyptic number.

It is an amenable number.

485884615187557 is a deficient number, since it is larger than the sum of its proper divisors (1).

485884615187557 is an equidigital number, since it uses as much as digits as its factorization.

485884615187557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12042240000, while the sum is 82.

The spelling of 485884615187557 in words is "four hundred eighty-five trillion, eight hundred eighty-four billion, six hundred fifteen million, one hundred eighty-seven thousand, five hundred fifty-seven".