287648363801 has 2 divisors, whose sum is σ = 287648363802. Its totient is φ = 287648363800.

The previous prime is 287648363789. The next prime is 287648363809. The reversal of 287648363801 is 108363846782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278868486400 + 8779877401 = 528080^2 + 93701^2 .

It is a cyclic number.

It is not a de Polignac number, because 287648363801 - 2¹⁰ = 287648362777 is a prime.

It is not a weakly prime, because it can be changed into another prime (287648363809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143824181900 + 143824181901.

It is an arithmetic number, because the mean of its divisors is an integer number (143824181901).

Almost surely, 2^287648363801 is an apocalyptic number.

It is an amenable number.

287648363801 is a deficient number, since it is larger than the sum of its proper divisors (1).

287648363801 is an equidigital number, since it uses as much as digits as its factorization.

287648363801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 287648363801 in words is "two hundred eighty-seven billion, six hundred forty-eight million, three hundred sixty-three thousand, eight hundred one".