485287871 has 2 divisors, whose sum is σ = 485287872. Its totient is φ = 485287870.

The previous prime is 485287853. The next prime is 485287883. The reversal of 485287871 is 178782584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485287871 - 2⁶ = 485287807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485287811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242643935 + 242643936.

It is an arithmetic number, because the mean of its divisors is an integer number (242643936).

Almost surely, 2^485287871 is an apocalyptic number.

485287871 is a deficient number, since it is larger than the sum of its proper divisors (1).

485287871 is an equidigital number, since it uses as much as digits as its factorization.

485287871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1003520, while the sum is 50.

The square root of 485287871 is about 22029.2503503864. The cubic root of 485287871 is about 785.8382169770.

The spelling of 485287871 in words is "four hundred eighty-five million, two hundred eighty-seven thousand, eight hundred seventy-one".