487871983 has 2 divisors, whose sum is σ = 487871984. Its totient is φ = 487871982.

The previous prime is 487871981. The next prime is 487872013. The reversal of 487871983 is 389178784.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487871983 - 2¹ = 487871981 is a prime.

Together with 487871981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487871981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243935991 + 243935992.

It is an arithmetic number, because the mean of its divisors is an integer number (243935992).

Almost surely, 2^487871983 is an apocalyptic number.

487871983 is a deficient number, since it is larger than the sum of its proper divisors (1).

487871983 is an equidigital number, since it uses as much as digits as its factorization.

487871983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 55.

The square root of 487871983 is about 22087.8243156722. The cubic root of 487871983 is about 787.2305865340.

The spelling of 487871983 in words is "four hundred eighty-seven million, eight hundred seventy-one thousand, nine hundred eighty-three".