89595973 has 2 divisors, whose sum is σ = 89595974. Its totient is φ = 89595972.

The previous prime is 89595953. The next prime is 89595977. The reversal of 89595973 is 37959598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 2304324 = 9343^2 + 1518^2 .

It is a cyclic number.

It is not a de Polignac number, because 89595973 - 2⁹ = 89595461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89595977) 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, 44797986 + 44797987.

It is an arithmetic number, because the mean of its divisors is an integer number (44797987).

Almost surely, 2^89595973 is an apocalyptic number.

It is an amenable number.

89595973 is a deficient number, since it is larger than the sum of its proper divisors (1).

89595973 is an equidigital number, since it uses as much as digits as its factorization.

89595973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 55.

The square root of 89595973 is about 9465.5149358078. The cubic root of 89595973 is about 447.4688729220.

The spelling of 89595973 in words is "eighty-nine million, five hundred ninety-five thousand, nine hundred seventy-three".