87116933 has 2 divisors, whose sum is σ = 87116934. Its totient is φ = 87116932.

The previous prime is 87116927. The next prime is 87116941. The reversal of 87116933 is 33961178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 34597924 = 7247^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 87116933 - 2¹⁰ = 87115909 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 (87116233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43558466 + 43558467.

It is an arithmetic number, because the mean of its divisors is an integer number (43558467).

Almost surely, 2^87116933 is an apocalyptic number.

It is an amenable number.

87116933 is a deficient number, since it is larger than the sum of its proper divisors (1).

87116933 is an equidigital number, since it uses as much as digits as its factorization.

87116933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 87116933 is about 9333.6452150272. The cubic root of 87116933 is about 443.3031927173.

The spelling of 87116933 in words is "eighty-seven million, one hundred sixteen thousand, nine hundred thirty-three".