89860543 has 2 divisors, whose sum is σ = 89860544. Its totient is φ = 89860542.

The previous prime is 89860513. The next prime is 89860567. The reversal of 89860543 is 34506898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89860543 - 2⁹ = 89860031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89860543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89860513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44930271 + 44930272.

It is an arithmetic number, because the mean of its divisors is an integer number (44930272).

Almost surely, 2^89860543 is an apocalyptic number.

89860543 is a deficient number, since it is larger than the sum of its proper divisors (1).

89860543 is an equidigital number, since it uses as much as digits as its factorization.

89860543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 89860543 is about 9479.4801017777. The cubic root of 89860543 is about 447.9088871231.

The spelling of 89860543 in words is "eighty-nine million, eight hundred sixty thousand, five hundred forty-three".