487881143 has 2 divisors, whose sum is σ = 487881144. Its totient is φ = 487881142.

The previous prime is 487881137. The next prime is 487881187. The reversal of 487881143 is 341188784.

It is an a-pointer prime, because the next prime (487881187) can be obtained adding 487881143 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487881143 - 2²⁶ = 420772279 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 487881094 and 487881103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487881133) 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, 243940571 + 243940572.

It is an arithmetic number, because the mean of its divisors is an integer number (243940572).

Almost surely, 2^487881143 is an apocalyptic number.

487881143 is a deficient number, since it is larger than the sum of its proper divisors (1).

487881143 is an equidigital number, since it uses as much as digits as its factorization.

487881143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 44.

The square root of 487881143 is about 22088.0316687567. The cubic root of 487881143 is about 787.2355133641.

The spelling of 487881143 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, one hundred forty-three".