487012871 has 2 divisors, whose sum is σ = 487012872. Its totient is φ = 487012870.

The previous prime is 487012861. The next prime is 487012891. The reversal of 487012871 is 178210784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487012871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487012831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243506435 + 243506436.

It is an arithmetic number, because the mean of its divisors is an integer number (243506436).

Almost surely, 2^487012871 is an apocalyptic number.

487012871 is a deficient number, since it is larger than the sum of its proper divisors (1).

487012871 is an equidigital number, since it uses as much as digits as its factorization.

487012871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 487012871 is about 22068.3681091285. The cubic root of 487012871 is about 786.7682271165.

The spelling of 487012871 in words is "four hundred eighty-seven million, twelve thousand, eight hundred seventy-one".