8906728020 has 96 divisors (see below), whose sum is σ = 25200739200. Its totient is φ = 2350301184.

The previous prime is 8906728001. The next prime is 8906728027. The reversal of 8906728020 is 208276098.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906728027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2808996 + ... + 2812164.

It is an arithmetic number, because the mean of its divisors is an integer number (262507700).

Almost surely, 2^8906728020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8906728020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12600369600).

8906728020 is an abundant number, since it is smaller than the sum of its proper divisors (16294011180).

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

8906728020 is a wasteful number, since it uses less digits than its factorization.

8906728020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8906728020 is about 94375.4630187317. The cubic root of 8906728020 is about 2072.8731695094.

The spelling of 8906728020 in words is "eight billion, nine hundred six million, seven hundred twenty-eight thousand, twenty".