9961088927 has 2 divisors, whose sum is σ = 9961088928. Its totient is φ = 9961088926.

The previous prime is 9961088897. The next prime is 9961088989. The reversal of 9961088927 is 7298801699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9961088927 - 2³⁰ = 8887347103 is a prime.

It is a super-2 number, since 2×9961088927² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9961088227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4980544463 + 4980544464.

It is an arithmetic number, because the mean of its divisors is an integer number (4980544464).

Almost surely, 2^9961088927 is an apocalyptic number.

9961088927 is a deficient number, since it is larger than the sum of its proper divisors (1).

9961088927 is an equidigital number, since it uses as much as digits as its factorization.

9961088927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The square root of 9961088927 is about 99805.2550069384. The cubic root of 9961088927 is about 2151.6366789173.

The spelling of 9961088927 in words is "nine billion, nine hundred sixty-one million, eighty-eight thousand, nine hundred twenty-seven".