9887707801 has 2 divisors, whose sum is σ = 9887707802. Its totient is φ = 9887707800.

The previous prime is 9887707757. The next prime is 9887707811. The reversal of 9887707801 is 1087077889.

9887707801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9885131776 + 2576025 = 99424^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 9887707801 - 2¹⁹ = 9887183513 is a prime.

It is not a weakly prime, because it can be changed into another prime (9887707811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4943853900 + 4943853901.

It is an arithmetic number, because the mean of its divisors is an integer number (4943853901).

Almost surely, 2^9887707801 is an apocalyptic number.

It is an amenable number.

9887707801 is a deficient number, since it is larger than the sum of its proper divisors (1).

9887707801 is an equidigital number, since it uses as much as digits as its factorization.

9887707801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 55.

The square root of 9887707801 is about 99436.9539004489. The cubic root of 9887707801 is about 2146.3401084206.

The spelling of 9887707801 in words is "nine billion, eight hundred eighty-seven million, seven hundred seven thousand, eight hundred one".