89585879 has 2 divisors, whose sum is σ = 89585880. Its totient is φ = 89585878.

The previous prime is 89585849. The next prime is 89585911. The reversal of 89585879 is 97858598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89585879 - 2⁸ = 89585623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89585849) 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, 44792939 + 44792940.

It is an arithmetic number, because the mean of its divisors is an integer number (44792940).

Almost surely, 2^89585879 is an apocalyptic number.

89585879 is a deficient number, since it is larger than the sum of its proper divisors (1).

89585879 is an equidigital number, since it uses as much as digits as its factorization.

89585879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 59.

The square root of 89585879 is about 9464.9817221165. The cubic root of 89585879 is about 447.4520681473.

The spelling of 89585879 in words is "eighty-nine million, five hundred eighty-five thousand, eight hundred seventy-nine".