287707224841 has 2 divisors, whose sum is σ = 287707224842. Its totient is φ = 287707224840.

The previous prime is 287707224793. The next prime is 287707224967. The reversal of 287707224841 is 148422707782.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157129788816 + 130577436025 = 396396^2 + 361355^2 .

It is a cyclic number.

It is not a de Polignac number, because 287707224841 - 2²⁵ = 287673670409 is a prime.

It is not a weakly prime, because it can be changed into another prime (287707224041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143853612420 + 143853612421.

It is an arithmetic number, because the mean of its divisors is an integer number (143853612421).

Almost surely, 2^287707224841 is an apocalyptic number.

It is an amenable number.

287707224841 is a deficient number, since it is larger than the sum of its proper divisors (1).

287707224841 is an equidigital number, since it uses as much as digits as its factorization.

287707224841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2809856, while the sum is 52.

The spelling of 287707224841 in words is "two hundred eighty-seven billion, seven hundred seven million, two hundred twenty-four thousand, eight hundred forty-one".