8955984681 has 48 divisors (see below), whose sum is σ = 15049889920. Its totient is φ = 5026095360.

The previous prime is 8955984641. The next prime is 8955984689. The reversal of 8955984681 is 1864895598.

8955984681 is a `hidden beast` number, since 89 + 5 + 5 + 98 + 468 + 1 = 666.

8955984681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8955984681 - 2¹⁵ = 8955951913 is a prime.

It is a super-2 number, since 2×8955984681² (a number of 21 digits) contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8955984689) 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, 3299781 + ... + 3302493.

Almost surely, 2^8955984681 is an apocalyptic number.

It is an amenable number.

8955984681 is a deficient number, since it is larger than the sum of its proper divisors (6093905239).

8955984681 is a wasteful number, since it uses less digits than its factorization.

8955984681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3643 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 63.

The square root of 8955984681 is about 94636.0643782274. The cubic root of 8955984681 is about 2076.6873336647.

The spelling of 8955984681 in words is "eight billion, nine hundred fifty-five million, nine hundred eighty-four thousand, six hundred eighty-one".