89899448291 has 2 divisors, whose sum is σ = 89899448292. Its totient is φ = 89899448290.

The previous prime is 89899448279. The next prime is 89899448413. The reversal of 89899448291 is 19284499898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89899448291 - 2⁶ = 89899448227 is a prime.

It is not a weakly prime, because it can be changed into another prime (89899448201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44949724145 + 44949724146.

It is an arithmetic number, because the mean of its divisors is an integer number (44949724146).

Almost surely, 2^89899448291 is an apocalyptic number.

89899448291 is a deficient number, since it is larger than the sum of its proper divisors (1).

89899448291 is an equidigital number, since it uses as much as digits as its factorization.

89899448291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107495424, while the sum is 71.

The spelling of 89899448291 in words is "eighty-nine billion, eight hundred ninety-nine million, four hundred forty-eight thousand, two hundred ninety-one".