9987764603 has 2 divisors, whose sum is σ = 9987764604. Its totient is φ = 9987764602.

The previous prime is 9987764569. The next prime is 9987764609. The reversal of 9987764603 is 3064677899.

9987764603 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 is a cyclic number.

It is not a de Polignac number, because 9987764603 - 2¹² = 9987760507 is a prime.

It is not a weakly prime, because it can be changed into another prime (9987764609) 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, 4993882301 + 4993882302.

It is an arithmetic number, because the mean of its divisors is an integer number (4993882302).

Almost surely, 2^9987764603 is an apocalyptic number.

9987764603 is a deficient number, since it is larger than the sum of its proper divisors (1).

9987764603 is an equidigital number, since it uses as much as digits as its factorization.

9987764603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The square root of 9987764603 is about 99938.8042904256. The cubic root of 9987764603 is about 2153.5556526305. Note that the first 3 decimals are identical.

The spelling of 9987764603 in words is "nine billion, nine hundred eighty-seven million, seven hundred sixty-four thousand, six hundred three".