89398867 has 2 divisors, whose sum is σ = 89398868. Its totient is φ = 89398866.

The previous prime is 89398853. The next prime is 89398871. The reversal of 89398867 is 76889398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89398867 - 2¹¹ = 89396819 is a prime.

It is not a weakly prime, because it can be changed into another prime (89398847) 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, 44699433 + 44699434.

It is an arithmetic number, because the mean of its divisors is an integer number (44699434).

Almost surely, 2^89398867 is an apocalyptic number.

89398867 is a deficient number, since it is larger than the sum of its proper divisors (1).

89398867 is an equidigital number, since it uses as much as digits as its factorization.

89398867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 58.

The square root of 89398867 is about 9455.0974082767. The cubic root of 89398867 is about 447.1404967190.

The spelling of 89398867 in words is "eighty-nine million, three hundred ninety-eight thousand, eight hundred sixty-seven".