89116481 has 2 divisors, whose sum is σ = 89116482. Its totient is φ = 89116480.

The previous prime is 89116477. The next prime is 89116487. The reversal of 89116481 is 18461198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55950400 + 33166081 = 7480^2 + 5759^2 .

It is a cyclic number.

It is not a de Polignac number, because 89116481 - 2² = 89116477 is a prime.

It is a super-2 number, since 2×89116481² = 15883494371646722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89116487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44558240 + 44558241.

It is an arithmetic number, because the mean of its divisors is an integer number (44558241).

Almost surely, 2^89116481 is an apocalyptic number.

It is an amenable number.

89116481 is a deficient number, since it is larger than the sum of its proper divisors (1).

89116481 is an equidigital number, since it uses as much as digits as its factorization.

89116481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 38.

The square root of 89116481 is about 9440.1525941057. The cubic root of 89116481 is about 446.6692029137.

The spelling of 89116481 in words is "eighty-nine million, one hundred sixteen thousand, four hundred eighty-one".