9728377528 has 32 divisors (see below), whose sum is σ = 19039628160. Its totient is φ = 4651273440.

The previous prime is 9728377523. The next prime is 9728377531. The reversal of 9728377528 is 8257738279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728377523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823423 + ... + 835153.

It is an arithmetic number, because the mean of its divisors is an integer number (594988380).

Almost surely, 2^9728377528 is an apocalyptic number.

It is an amenable number.

9728377528 is a deficient number, since it is larger than the sum of its proper divisors (9311250632).

9728377528 is a wasteful number, since it uses less digits than its factorization.

9728377528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16267 (or 16263 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 58.

The square root of 9728377528 is about 98632.5378767068. The cubic root of 9728377528 is about 2134.7489336515.

The spelling of 9728377528 in words is "nine billion, seven hundred twenty-eight million, three hundred seventy-seven thousand, five hundred twenty-eight".