9828971975 has 24 divisors (see below), whose sum is σ = 12414071520. Its totient is φ = 7718256000.

The previous prime is 9828971951. The next prime is 9828971987. The reversal of 9828971975 is 5791798289.

It is not a de Polignac number, because 9828971975 - 2¹⁰ = 9828970951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394385 + ... + 418565.

It is an arithmetic number, because the mean of its divisors is an integer number (517252980).

Almost surely, 2^9828971975 is an apocalyptic number.

9828971975 is a deficient number, since it is larger than the sum of its proper divisors (2585099545).

9828971975 is a wasteful number, since it uses less digits than its factorization.

9828971975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24491 (or 24486 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 65.

The square root of 9828971975 is about 99141.1719468758. The cubic root of 9828971975 is about 2142.0817061828.

The spelling of 9828971975 in words is "nine billion, eight hundred twenty-eight million, nine hundred seventy-one thousand, nine hundred seventy-five".