287168848487 has 4 divisors (see below), whose sum is σ = 288148947240. Its totient is φ = 286188749736.

The previous prime is 287168848469. The next prime is 287168848511. The reversal of 287168848487 is 784848861782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784848861782 = 2 ⋅392424430891.

It is a cyclic number.

It is not a de Polignac number, because 287168848487 - 2²⁸ = 286900413031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 287168848487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287168848387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490048937 + ... + 490049522.

It is an arithmetic number, because the mean of its divisors is an integer number (72037236810).

Almost surely, 2^287168848487 is an apocalyptic number.

287168848487 is a deficient number, since it is larger than the sum of its proper divisors (980098753).

287168848487 is an equidigital number, since it uses as much as digits as its factorization.

287168848487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980098752.

The product of its digits is 308281344, while the sum is 71.

The spelling of 287168848487 in words is "two hundred eighty-seven billion, one hundred sixty-eight million, eight hundred forty-eight thousand, four hundred eighty-seven".