9428765720 has 64 divisors (see below), whose sum is σ = 23580059040. Its totient is φ = 3363942400.

The previous prime is 9428765699. The next prime is 9428765729. The reversal of 9428765720 is 275678249.

9428765720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428765729) 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 15 ways as a sum of consecutive naturals, for example, 178841 + ... + 225480.

Almost surely, 2^9428765720 is an apocalyptic number.

It is an amenable number.

9428765720 is an abundant number, since it is smaller than the sum of its proper divisors (14151293320).

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

9428765720 is a wasteful number, since it uses less digits than its factorization.

9428765720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404396 (or 404392 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 9428765720 is about 97101.8317025997. The cubic root of 9428765720 is about 2112.6048943398.

The spelling of 9428765720 in words is "nine billion, four hundred twenty-eight million, seven hundred sixty-five thousand, seven hundred twenty".