89411191 has 2 divisors, whose sum is σ = 89411192. Its totient is φ = 89411190.

The previous prime is 89411183. The next prime is 89411209. The reversal of 89411191 is 19111498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89411191 - 2³ = 89411183 is a prime.

It is a super-2 number, since 2×89411191² = 15988722152076962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89411141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44705595 + 44705596.

It is an arithmetic number, because the mean of its divisors is an integer number (44705596).

Almost surely, 2^89411191 is an apocalyptic number.

89411191 is a deficient number, since it is larger than the sum of its proper divisors (1).

89411191 is an equidigital number, since it uses as much as digits as its factorization.

89411191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 34.

The square root of 89411191 is about 9455.7490977712. The cubic root of 89411191 is about 447.1610424913.

The spelling of 89411191 in words is "eighty-nine million, four hundred eleven thousand, one hundred ninety-one".