89417749 has 2 divisors, whose sum is σ = 89417750. Its totient is φ = 89417748.

The previous prime is 89417747. The next prime is 89417803. The reversal of 89417749 is 94771498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 24502500 = 8057^2 + 4950^2 .

It is a cyclic number.

It is not a de Polignac number, because 89417749 - 2¹ = 89417747 is a prime.

Together with 89417747, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89417747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44708874 + 44708875.

It is an arithmetic number, because the mean of its divisors is an integer number (44708875).

Almost surely, 2^89417749 is an apocalyptic number.

It is an amenable number.

89417749 is a deficient number, since it is larger than the sum of its proper divisors (1).

89417749 is an equidigital number, since it uses as much as digits as its factorization.

89417749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 89417749 is about 9456.0958645733. The cubic root of 89417749 is about 447.1719747933.

The spelling of 89417749 in words is "eighty-nine million, four hundred seventeen thousand, seven hundred forty-nine".