9835696728 has 128 divisors (see below), whose sum is σ = 32097945600. Its totient is φ = 2751235200.

The previous prime is 9835696727. The next prime is 9835696733. The reversal of 9835696728 is 8276965389.

9835696728 is a `hidden beast` number, since 9 + 8 + 3 + 569 + 67 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9835696723) 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, 128328 + ... + 190103.

It is an arithmetic number, because the mean of its divisors is an integer number (250765200).

Almost surely, 2^9835696728 is an apocalyptic number.

It is an amenable number.

9835696728 is an abundant number, since it is smaller than the sum of its proper divisors (22262248872).

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

9835696728 is a wasteful number, since it uses less digits than its factorization.

9835696728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318470 (or 318460 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 9835696728 is about 99175.0811847412. The cubic root of 9835696728 is about 2142.5701155670.

The spelling of 9835696728 in words is "nine billion, eight hundred thirty-five million, six hundred ninety-six thousand, seven hundred twenty-eight".