9677135691 has 30 divisors (see below), whose sum is σ = 14711322780. Its totient is φ = 6337620792.

The previous prime is 9677135647. The next prime is 9677135693. The reversal of 9677135691 is 1965317769.

It is a happy number.

9677135691 is a `hidden beast` number, since 9 + 6 + 7 + 71 + 3 + 569 + 1 = 666.

9677135691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9677135691 - 2⁷ = 9677135563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9677135693) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 6799806 + ... + 6801228.

It is an arithmetic number, because the mean of its divisors is an integer number (490377426).

Almost surely, 2^9677135691 is an apocalyptic number.

9677135691 is a deficient number, since it is larger than the sum of its proper divisors (5034187089).

9677135691 is an frugal number, since it uses more digits than its factorization.

9677135691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 1485 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 9677135691 is about 98372.4335929533. The cubic root of 9677135691 is about 2130.9942452153.

The spelling of 9677135691 in words is "nine billion, six hundred seventy-seven million, one hundred thirty-five thousand, six hundred ninety-one".