9687397528 has 16 divisors (see below), whose sum is σ = 18169402680. Its totient is φ = 4842223488.

The previous prime is 9687397519. The next prime is 9687397529. The reversal of 9687397528 is 8257937869.

It is a self number, because there is not a number n which added to its sum of digits gives 9687397528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9687397529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156250 + ... + 209257.

Almost surely, 2^9687397528 is an apocalyptic number.

It is an amenable number.

9687397528 is a deficient number, since it is larger than the sum of its proper divisors (8482005152).

9687397528 is a wasteful number, since it uses less digits than its factorization.

9687397528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368826 (or 368822 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 64.

The square root of 9687397528 is about 98424.5778654905. The cubic root of 9687397528 is about 2131.7472294009.

The spelling of 9687397528 in words is "nine billion, six hundred eighty-seven million, three hundred ninety-seven thousand, five hundred twenty-eight".