287338663 has 2 divisors, whose sum is σ = 287338664. Its totient is φ = 287338662.

The previous prime is 287338661. The next prime is 287338703. The reversal of 287338663 is 366833782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287338663 - 2¹ = 287338661 is a prime.

Together with 287338661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287338661) 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, 143669331 + 143669332.

It is an arithmetic number, because the mean of its divisors is an integer number (143669332).

Almost surely, 2^287338663 is an apocalyptic number.

287338663 is a deficient number, since it is larger than the sum of its proper divisors (1).

287338663 is an equidigital number, since it uses as much as digits as its factorization.

287338663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 287338663 is about 16951.0667215960. The cubic root of 287338663 is about 659.8795793461.

The spelling of 287338663 in words is "two hundred eighty-seven million, three hundred thirty-eight thousand, six hundred sixty-three".