286727668 has 12 divisors (see below), whose sum is σ = 511241220. Its totient is φ = 140658752.

The previous prime is 286727659. The next prime is 286727677. The reversal of 286727668 is 866727682.

It is an interprime number because it is at equal distance from previous prime (286727659) and next prime (286727677).

It can be written as a sum of positive squares in 2 ways, for example, as 253064464 + 33663204 = 15908^2 + 5802^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676033 + ... + 676456.

It is an arithmetic number, because the mean of its divisors is an integer number (42603435).

Almost surely, 2^286727668 is an apocalyptic number.

It is an amenable number.

286727668 is a deficient number, since it is larger than the sum of its proper divisors (224513552).

286727668 is a wasteful number, since it uses less digits than its factorization.

286727668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352546 (or 1352544 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 286727668 is about 16933.0348136416. The cubic root of 286727668 is about 659.4115262681.

The spelling of 286727668 in words is "two hundred eighty-six million, seven hundred twenty-seven thousand, six hundred sixty-eight".