89738497 has 2 divisors, whose sum is σ = 89738498. Its totient is φ = 89738496.

The previous prime is 89738491. The next prime is 89738507. The reversal of 89738497 is 79483798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48316401 + 41422096 = 6951^2 + 6436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89738497 is a prime.

It is not a weakly prime, because it can be changed into another prime (89738491) 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, 44869248 + 44869249.

It is an arithmetic number, because the mean of its divisors is an integer number (44869249).

Almost surely, 2^89738497 is an apocalyptic number.

It is an amenable number.

89738497 is a deficient number, since it is larger than the sum of its proper divisors (1).

89738497 is an equidigital number, since it uses as much as digits as its factorization.

89738497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The square root of 89738497 is about 9473.0405361742. The cubic root of 89738497 is about 447.7060162699.

The spelling of 89738497 in words is "eighty-nine million, seven hundred thirty-eight thousand, four hundred ninety-seven".