487891353577 has 2 divisors, whose sum is σ = 487891353578. Its totient is φ = 487891353576.

The previous prime is 487891353553. The next prime is 487891353629. The reversal of 487891353577 is 775353198784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333293763856 + 154597589721 = 577316^2 + 393189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487891353577 is a prime.

It is a super-3 number, since 3×487891353577³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (487891353077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243945676788 + 243945676789.

It is an arithmetic number, because the mean of its divisors is an integer number (243945676789).

Almost surely, 2^487891353577 is an apocalyptic number.

It is an amenable number.

487891353577 is a deficient number, since it is larger than the sum of its proper divisors (1).

487891353577 is an equidigital number, since it uses as much as digits as its factorization.

487891353577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 177811200, while the sum is 67.

The spelling of 487891353577 in words is "four hundred eighty-seven billion, eight hundred ninety-one million, three hundred fifty-three thousand, five hundred seventy-seven".