9707749056 has 84 divisors (see below), whose sum is σ = 28160895672. Its totient is φ = 3196913664.

The previous prime is 9707749013. The next prime is 9707749069. The reversal of 9707749056 is 6509477079.

It is a happy number.

It is a super-2 number, since 2×9707749056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9707748993 and 9707749011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53721 + ... + 149336.

It is an arithmetic number, because the mean of its divisors is an integer number (335248758).

Almost surely, 2^9707749056 is an apocalyptic number.

9707749056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9707749056 is an abundant number, since it is smaller than the sum of its proper divisors (18453146616).

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

9707749056 is a wasteful number, since it uses less digits than its factorization.

9707749056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203158 (or 203145 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The square root of 9707749056 is about 98527.9100356848. The cubic root of 9707749056 is about 2133.2389946130.

The spelling of 9707749056 in words is "nine billion, seven hundred seven million, seven hundred forty-nine thousand, fifty-six".