4987663 has 2 divisors, whose sum is σ = 4987664. Its totient is φ = 4987662.

The previous prime is 4987657. The next prime is 4987667. The reversal of 4987663 is 3667894.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4987663 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 9⁴ + 8⁵ + 7⁶ + 6² + 6⁶ + 3¹⁴ .

4987663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4987667) 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, 2493831 + 2493832.

It is an arithmetic number, because the mean of its divisors is an integer number (2493832).

Almost surely, 2^4987663 is an apocalyptic number.

4987663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4987663 is an equidigital number, since it uses as much as digits as its factorization.

4987663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 4987663 is about 2233.3076366681. The cubic root of 4987663 is about 170.8568390156.

The spelling of 4987663 in words is "four million, nine hundred eighty-seven thousand, six hundred sixty-three".