8987447923 has 2 divisors, whose sum is σ = 8987447924. Its totient is φ = 8987447922.

The previous prime is 8987447897. The next prime is 8987447969. The reversal of 8987447923 is 3297447898.

8987447923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8987447923 - 2¹³ = 8987439731 is a prime.

It is not a weakly prime, because it can be changed into another prime (8987442923) 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, 4493723961 + 4493723962.

It is an arithmetic number, because the mean of its divisors is an integer number (4493723962).

Almost surely, 2^8987447923 is an apocalyptic number.

8987447923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8987447923 is an equidigital number, since it uses as much as digits as its factorization.

8987447923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 61.

The square root of 8987447923 is about 94802.1514682025. The cubic root of 8987447923 is about 2079.1163593571.

The spelling of 8987447923 in words is "eight billion, nine hundred eighty-seven million, four hundred forty-seven thousand, nine hundred twenty-three".