8889229785 has 32 divisors (see below), whose sum is σ = 14747040000. Its totient is φ = 4566917376.

The previous prime is 8889229777. The next prime is 8889229787. The reversal of 8889229785 is 5879229888.

8889229785 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 8889229785 - 2³ = 8889229777 is a prime.

It is a super-2 number, since 2×8889229785² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8889229787) 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 31 ways as a sum of consecutive naturals, for example, 167691 + ... + 214239.

It is an arithmetic number, because the mean of its divisors is an integer number (460845000).

Almost surely, 2^8889229785 is an apocalyptic number.

It is an amenable number.

8889229785 is a deficient number, since it is larger than the sum of its proper divisors (5857810215).

8889229785 is a wasteful number, since it uses less digits than its factorization.

8889229785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47025.

The product of its digits is 46448640, while the sum is 66.

The square root of 8889229785 is about 94282.7120155122. The cubic root of 8889229785 is about 2071.5148180510.

The spelling of 8889229785 in words is "eight billion, eight hundred eighty-nine million, two hundred twenty-nine thousand, seven hundred eighty-five".