487993399787 has 2 divisors, whose sum is σ = 487993399788. Its totient is φ = 487993399786.

The previous prime is 487993399769. The next prime is 487993399891. The reversal of 487993399787 is 787993399784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487993399787 - 2¹⁶ = 487993334251 is a prime.

It is not a weakly prime, because it can be changed into another prime (487993393787) 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, 243996699893 + 243996699894.

It is an arithmetic number, because the mean of its divisors is an integer number (243996699894).

Almost surely, 2^487993399787 is an apocalyptic number.

487993399787 is a deficient number, since it is larger than the sum of its proper divisors (1).

487993399787 is an equidigital number, since it uses as much as digits as its factorization.

487993399787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184974592, while the sum is 83.

The spelling of 487993399787 in words is "four hundred eighty-seven billion, nine hundred ninety-three million, three hundred ninety-nine thousand, seven hundred eighty-seven".