9684994797 has 20 divisors (see below), whose sum is σ = 14934412416. Its totient is φ = 6248382120.

The previous prime is 9684994783. The next prime is 9684994801. The reversal of 9684994797 is 7974994869.

9684994797 is a `hidden beast` number, since 9 + 6 + 8 + 499 + 47 + 97 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-9684994797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9684994717) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1926003 + ... + 1931024.

Almost surely, 2^9684994797 is an apocalyptic number.

It is an amenable number.

9684994797 is a deficient number, since it is larger than the sum of its proper divisors (5249417619).

9684994797 is a wasteful number, since it uses less digits than its factorization.

9684994797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857070 (or 3857061 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 72.

The square root of 9684994797 is about 98412.3711583051. The cubic root of 9684994797 is about 2131.5709715820.

Adding to 9684994797 its sum of digits (72), we get a palindrome (9684994869).

The spelling of 9684994797 in words is "nine billion, six hundred eighty-four million, nine hundred ninety-four thousand, seven hundred ninety-seven".