486784896557 has 2 divisors, whose sum is σ = 486784896558. Its totient is φ = 486784896556.

The previous prime is 486784896503. The next prime is 486784896643. The reversal of 486784896557 is 755698487684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463963960201 + 22820936356 = 681149^2 + 151066^2 .

It is a cyclic number.

It is not a de Polignac number, because 486784896557 - 2¹⁰ = 486784895533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486784898557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243392448278 + 243392448279.

It is an arithmetic number, because the mean of its divisors is an integer number (243392448279).

Almost surely, 2^486784896557 is an apocalyptic number.

It is an amenable number.

486784896557 is a deficient number, since it is larger than the sum of its proper divisors (1).

486784896557 is an equidigital number, since it uses as much as digits as its factorization.

486784896557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3251404800, while the sum is 77.

The spelling of 486784896557 in words is "four hundred eighty-six billion, seven hundred eighty-four million, eight hundred ninety-six thousand, five hundred fifty-seven".