9996757691 has 8 divisors (see below), whose sum is σ = 10231957824. Its totient is φ = 9761681160.

The previous prime is 9996757681. The next prime is 9996757709. The reversal of 9996757691 is 1967576999.

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

It is a cyclic number.

It is not a de Polignac number, because 9996757691 - 2⁶ = 9996757627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9996757681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144296 + ... + 202026.

It is an arithmetic number, because the mean of its divisors is an integer number (1278994728).

Almost surely, 2^9996757691 is an apocalyptic number.

9996757691 is a deficient number, since it is larger than the sum of its proper divisors (235200133).

9996757691 is a wasteful number, since it uses less digits than its factorization.

9996757691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61801.

The product of its digits is 57868020, while the sum is 68.

The square root of 9996757691 is about 99983.7871407160. The cubic root of 9996757691 is about 2154.2018200960.

The spelling of 9996757691 in words is "nine billion, nine hundred ninety-six million, seven hundred fifty-seven thousand, six hundred ninety-one".