287648363851 has 2 divisors, whose sum is σ = 287648363852. Its totient is φ = 287648363850.

The previous prime is 287648363839. The next prime is 287648363861. The reversal of 287648363851 is 158363846782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 287648363851 - 2¹⁷ = 287648232779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 287648363851.

It is not a weakly prime, because it can be changed into another prime (287648363801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143824181925 + 143824181926.

It is an arithmetic number, because the mean of its divisors is an integer number (143824181926).

Almost surely, 2^287648363851 is an apocalyptic number.

287648363851 is a deficient number, since it is larger than the sum of its proper divisors (1).

287648363851 is an equidigital number, since it uses as much as digits as its factorization.

287648363851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46448640, while the sum is 61.

The spelling of 287648363851 in words is "two hundred eighty-seven billion, six hundred forty-eight million, three hundred sixty-three thousand, eight hundred fifty-one".