8984057985 has 48 divisors (see below), whose sum is σ = 17808395904. Its totient is φ = 4104366336.

The previous prime is 8984057981. The next prime is 8984057989. The reversal of 8984057985 is 5897504898.

It is a happy number.

8984057985 is a `hidden beast` number, since 89 + 8 + 405 + 79 + 85 = 666.

8984057985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8984057981) and next prime (8984057989).

It is not a de Polignac number, because 8984057985 - 2² = 8984057981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8984057981) 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 in 47 ways as a sum of consecutive naturals, for example, 534469 + ... + 551021.

It is an arithmetic number, because the mean of its divisors is an integer number (371008248).

Almost surely, 2^8984057985 is an apocalyptic number.

It is an amenable number.

8984057985 is a deficient number, since it is larger than the sum of its proper divisors (8824337919).

8984057985 is a wasteful number, since it uses less digits than its factorization.

8984057985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294 (or 18291 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The square root of 8984057985 is about 94784.2707678864. The cubic root of 8984057985 is about 2078.8549220747.

The spelling of 8984057985 in words is "eight billion, nine hundred eighty-four million, fifty-seven thousand, nine hundred eighty-five".