487569983 has 2 divisors, whose sum is σ = 487569984. Its totient is φ = 487569982.

The previous prime is 487569961. The next prime is 487570007. The reversal of 487569983 is 389965784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487569983 - 2¹⁶ = 487504447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487569913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243784991 + 243784992.

It is an arithmetic number, because the mean of its divisors is an integer number (243784992).

Almost surely, 2^487569983 is an apocalyptic number.

487569983 is a deficient number, since it is larger than the sum of its proper divisors (1).

487569983 is an equidigital number, since it uses as much as digits as its factorization.

487569983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 59.

The square root of 487569983 is about 22080.9869118208. The cubic root of 487569983 is about 787.0681171993.

The spelling of 487569983 in words is "four hundred eighty-seven million, five hundred sixty-nine thousand, nine hundred eighty-three".