89039465873 has 2 divisors, whose sum is σ = 89039465874. Its totient is φ = 89039465872.

The previous prime is 89039465857. The next prime is 89039465909. The reversal of 89039465873 is 37856493098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73512561424 + 15526904449 = 271132^2 + 124607^2 .

It is a cyclic number.

It is not a de Polignac number, because 89039465873 - 2⁴ = 89039465857 is a prime.

It is not a weakly prime, because it can be changed into another prime (89039464873) 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, 44519732936 + 44519732937.

It is an arithmetic number, because the mean of its divisors is an integer number (44519732937).

Almost surely, 2^89039465873 is an apocalyptic number.

It is an amenable number.

89039465873 is a deficient number, since it is larger than the sum of its proper divisors (1).

89039465873 is an equidigital number, since it uses as much as digits as its factorization.

89039465873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 89039465873 in words is "eighty-nine billion, thirty-nine million, four hundred sixty-five thousand, eight hundred seventy-three".