9756196985 has 8 divisors (see below), whose sum is σ = 11707966536. Its totient is φ = 7804604160.

The previous prime is 9756196979. The next prime is 9756197041. The reversal of 9756196985 is 5896916579.

It can be written as a sum of positive squares in 4 ways, for example, as 4239481 + 9751957504 = 2059^2 + 98752^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9756196985 - 2²⁶ = 9689088121 is a prime.

It is a super-2 number, since 2×9756196985² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194747 + ... + 239663.

It is an arithmetic number, because the mean of its divisors is an integer number (1463495817).

Almost surely, 2^9756196985 is an apocalyptic number.

It is an amenable number.

9756196985 is a deficient number, since it is larger than the sum of its proper divisors (1951769551).

9756196985 is a wasteful number, since it uses less digits than its factorization.

9756196985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88363.

The product of its digits is 36741600, while the sum is 65.

The square root of 9756196985 is about 98773.4629594407. The cubic root of 9756196985 is about 2136.7818535690.

The spelling of 9756196985 in words is "nine billion, seven hundred fifty-six million, one hundred ninety-six thousand, nine hundred eighty-five".