8789728090 has 32 divisors (see below), whose sum is σ = 18587511936. Its totient is φ = 2950397760.

The previous prime is 8789728043. The next prime is 8789728147. The reversal of 8789728090 is 908279878.

8789728090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8789728090² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3071902 + ... + 3074761.

It is an arithmetic number, because the mean of its divisors is an integer number (580859748).

Almost surely, 2^8789728090 is an apocalyptic number.

8789728090 is an abundant number, since it is smaller than the sum of its proper divisors (9797783846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8789728090 is a wasteful number, since it uses less digits than its factorization.

8789728090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146694.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The square root of 8789728090 is about 93753.5497461296. The cubic root of 8789728090 is about 2063.7566235792.

The spelling of 8789728090 in words is "eight billion, seven hundred eighty-nine million, seven hundred twenty-eight thousand, ninety".