9698827897 has 16 divisors (see below), whose sum is σ = 10666339200. Its totient is φ = 8745856000.

The previous prime is 9698827883. The next prime is 9698827921. The reversal of 9698827897 is 7987288969.

It is a cyclic number.

It is not a de Polignac number, because 9698827897 - 2⁷ = 9698827769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9698827877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848772 + ... + 860122.

It is an arithmetic number, because the mean of its divisors is an integer number (666646200).

Almost surely, 2^9698827897 is an apocalyptic number.

It is an amenable number.

9698827897 is a deficient number, since it is larger than the sum of its proper divisors (967511303).

9698827897 is a wasteful number, since it uses less digits than its factorization.

9698827897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11984.

The product of its digits is 219469824, while the sum is 73.

The square root of 9698827897 is about 98482.6273867630. The cubic root of 9698827897 is about 2132.5853313463.

It can be divided in two parts, 969882 and 7897, that added together give a palindrome (977779).

The spelling of 9698827897 in words is "nine billion, six hundred ninety-eight million, eight hundred twenty-seven thousand, eight hundred ninety-seven".