286768663 has 2 divisors, whose sum is σ = 286768664. Its totient is φ = 286768662.

The previous prime is 286768639. The next prime is 286768679. The reversal of 286768663 is 366867682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 286768663 - 2⁹ = 286768151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 286768663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286768633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143384331 + 143384332.

It is an arithmetic number, because the mean of its divisors is an integer number (143384332).

Almost surely, 2^286768663 is an apocalyptic number.

286768663 is a deficient number, since it is larger than the sum of its proper divisors (1).

286768663 is an equidigital number, since it uses as much as digits as its factorization.

286768663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 52.

The square root of 286768663 is about 16934.2452740003. The cubic root of 286768663 is about 659.4429513104.

The spelling of 286768663 in words is "two hundred eighty-six million, seven hundred sixty-eight thousand, six hundred sixty-three".