96991133 has 2 divisors, whose sum is σ = 96991134.
Its totient is φ = 96991132.
The previous prime is 96991121. The next prime is 96991211. The reversal of 96991133 is 33119969.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 91336249 + 5654884 = 9557^2 + 2378^2
It is an emirp because it is prime and its reverse (33119969) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 96991133 - 216 = 96925597 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (96921133) 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, 48495566 + 48495567.
It is an arithmetic number, because the mean of its divisors is an integer number (48495567).
Almost surely, 296991133 is an apocalyptic number.
It is an amenable number.
96991133 is a deficient number, since it is larger than the sum of its proper divisors (1).
96991133 is an equidigital number, since it uses as much as digits as its factorization.
96991133 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 39366, while the sum is 41.
The square root of 96991133 is about 9848.4076377859.
The cubic root of 96991133 is about 459.4560883773.
The spelling of 96991133 in words is "ninety-six million, nine hundred ninety-one thousand, one hundred thirty-three".