287327003081 has 2 divisors, whose sum is σ = 287327003082. Its totient is φ = 287327003080.

The previous prime is 287327003057. The next prime is 287327003107. The reversal of 287327003081 is 180300723782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195311847481 + 92015155600 = 441941^2 + 303340^2 .

It is a cyclic number.

It is not a de Polignac number, because 287327003081 - 2¹⁴ = 287326986697 is a prime.

It is a super-2 number, since 2×287327003081² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (287327003011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143663501540 + 143663501541.

It is an arithmetic number, because the mean of its divisors is an integer number (143663501541).

Almost surely, 2^287327003081 is an apocalyptic number.

It is an amenable number.

287327003081 is a deficient number, since it is larger than the sum of its proper divisors (1).

287327003081 is an equidigital number, since it uses as much as digits as its factorization.

287327003081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 287327003081 in words is "two hundred eighty-seven billion, three hundred twenty-seven million, three thousand, eighty-one".