287963663 has 24 divisors (see below), whose sum is σ = 333458208. Its totient is φ = 247683072.

The previous prime is 287963653. The next prime is 287963671. The reversal of 287963663 is 366369782.

It is not a de Polignac number, because 287963663 - 2¹⁴ = 287947279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287963653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324206 + ... + 325092.

It is an arithmetic number, because the mean of its divisors is an integer number (13894092).

Almost surely, 2^287963663 is an apocalyptic number.

287963663 is a deficient number, since it is larger than the sum of its proper divisors (45494545).

287963663 is a wasteful number, since it uses less digits than its factorization.

287963663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1030 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 50.

The square root of 287963663 is about 16969.4921255764. The cubic root of 287963663 is about 660.3576749695.

The spelling of 287963663 in words is "two hundred eighty-seven million, nine hundred sixty-three thousand, six hundred sixty-three".