89719841 has 2 divisors, whose sum is σ = 89719842. Its totient is φ = 89719840.

The previous prime is 89719811. The next prime is 89719871. The reversal of 89719841 is 14891798.

It is a balanced prime because it is at equal distance from previous prime (89719811) and next prime (89719871).

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 2689600 = 9329^2 + 1640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89719841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89719811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44859920 + 44859921.

It is an arithmetic number, because the mean of its divisors is an integer number (44859921).

Almost surely, 2^89719841 is an apocalyptic number.

It is an amenable number.

89719841 is a deficient number, since it is larger than the sum of its proper divisors (1).

89719841 is an equidigital number, since it uses as much as digits as its factorization.

89719841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 47.

The square root of 89719841 is about 9472.0557958661. The cubic root of 89719841 is about 447.6749891463.

The spelling of 89719841 in words is "eighty-nine million, seven hundred nineteen thousand, eight hundred forty-one".