89121163 has 2 divisors, whose sum is σ = 89121164. Its totient is φ = 89121162.

The previous prime is 89121127. The next prime is 89121181. The reversal of 89121163 is 36112198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89121163 - 2⁹ = 89120651 is a prime.

It is not a weakly prime, because it can be changed into another prime (89128163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44560581 + 44560582.

It is an arithmetic number, because the mean of its divisors is an integer number (44560582).

Almost surely, 2^89121163 is an apocalyptic number.

89121163 is a deficient number, since it is larger than the sum of its proper divisors (1).

89121163 is an equidigital number, since it uses as much as digits as its factorization.

89121163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 89121163 is about 9440.4005741282. The cubic root of 89121163 is about 446.6770251428.

The spelling of 89121163 in words is "eighty-nine million, one hundred twenty-one thousand, one hundred sixty-three".