8928765220 has 24 divisors (see below), whose sum is σ = 18862691904. Its totient is φ = 3550118496.

The previous prime is 8928765187. The next prime is 8928765227. The reversal of 8928765220 is 225678298.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8928765227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333302 + ... + 1339981.

It is an arithmetic number, because the mean of its divisors is an integer number (785945496).

Almost surely, 2^8928765220 is an apocalyptic number.

It is an amenable number.

8928765220 is an abundant number, since it is smaller than the sum of its proper divisors (9933926684).

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

8928765220 is a wasteful number, since it uses less digits than its factorization.

8928765220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673459 (or 2673457 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 8928765220 is about 94492.1436945951. The cubic root of 8928765220 is about 2074.5813425455.

The spelling of 8928765220 in words is "eight billion, nine hundred twenty-eight million, seven hundred sixty-five thousand, two hundred twenty".