9887663101 has 2 divisors, whose sum is σ = 9887663102. Its totient is φ = 9887663100.

The previous prime is 9887663089. The next prime is 9887663111. The reversal of 9887663101 is 1013667889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9811100601 + 76562500 = 99051^2 + 8750^2 .

It is a cyclic number.

It is not a de Polignac number, because 9887663101 - 2⁷ = 9887662973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9887663111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4943831550 + 4943831551.

It is an arithmetic number, because the mean of its divisors is an integer number (4943831551).

Almost surely, 2^9887663101 is an apocalyptic number.

It is an amenable number.

9887663101 is a deficient number, since it is larger than the sum of its proper divisors (1).

9887663101 is an equidigital number, since it uses as much as digits as its factorization.

9887663101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 9887663101 is about 99436.7291346613. The cubic root of 9887663101 is about 2146.3368740495.

The spelling of 9887663101 in words is "nine billion, eight hundred eighty-seven million, six hundred sixty-three thousand, one hundred one".