287873063 has 2 divisors, whose sum is σ = 287873064. Its totient is φ = 287873062.

The previous prime is 287873057. The next prime is 287873101. The reversal of 287873063 is 360378782.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287873063 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 (287876063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143936531 + 143936532.

It is an arithmetic number, because the mean of its divisors is an integer number (143936532).

Almost surely, 2^287873063 is an apocalyptic number.

287873063 is a deficient number, since it is larger than the sum of its proper divisors (1).

287873063 is an equidigital number, since it uses as much as digits as its factorization.

287873063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 287873063 is about 16966.8224190624. The cubic root of 287873063 is about 660.2884131278.

The spelling of 287873063 in words is "two hundred eighty-seven million, eight hundred seventy-three thousand, sixty-three".