89039143 has 2 divisors, whose sum is σ = 89039144. Its totient is φ = 89039142.

The previous prime is 89039123. The next prime is 89039173. The reversal of 89039143 is 34193098.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89039143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89039123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44519571 + 44519572.

It is an arithmetic number, because the mean of its divisors is an integer number (44519572).

Almost surely, 2^89039143 is an apocalyptic number.

89039143 is a deficient number, since it is larger than the sum of its proper divisors (1).

89039143 is an equidigital number, since it uses as much as digits as its factorization.

89039143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 89039143 is about 9436.0554788534. The cubic root of 89039143 is about 446.5399544658.

The spelling of 89039143 in words is "eighty-nine million, thirty-nine thousand, one hundred forty-three".