487750572817 has 2 divisors, whose sum is σ = 487750572818. Its totient is φ = 487750572816.

The previous prime is 487750572791. The next prime is 487750572821. The reversal of 487750572817 is 718275057784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381033363841 + 106717208976 = 617279^2 + 326676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487750572817 is a prime.

It is not a weakly prime, because it can be changed into another prime (487750572887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243875286408 + 243875286409.

It is an arithmetic number, because the mean of its divisors is an integer number (243875286409).

Almost surely, 2^487750572817 is an apocalyptic number.

It is an amenable number.

487750572817 is a deficient number, since it is larger than the sum of its proper divisors (1).

487750572817 is an equidigital number, since it uses as much as digits as its factorization.

487750572817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30732800, while the sum is 61.

The spelling of 487750572817 in words is "four hundred eighty-seven billion, seven hundred fifty million, five hundred seventy-two thousand, eight hundred seventeen".