9897040736 has 24 divisors (see below), whose sum is σ = 21256145064. Its totient is φ = 4498654720.

The previous prime is 9897040729. The next prime is 9897040787. The reversal of 9897040736 is 6370407989.

9897040736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14057945 + ... + 14058648.

It is an arithmetic number, because the mean of its divisors is an integer number (885672711).

Almost surely, 2^9897040736 is an apocalyptic number.

It is an amenable number.

9897040736 is an abundant number, since it is smaller than the sum of its proper divisors (11359104328).

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

9897040736 is a wasteful number, since it uses less digits than its factorization.

9897040736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28116614 (or 28116606 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9897040736 is about 99483.8717380863. The cubic root of 9897040736 is about 2147.0152009647.

The spelling of 9897040736 in words is "nine billion, eight hundred ninety-seven million, forty thousand, seven hundred thirty-six".