89488129 has 2 divisors, whose sum is σ = 89488130. Its totient is φ = 89488128.

The previous prime is 89488097. The next prime is 89488169. The reversal of 89488129 is 92188498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47238129 + 42250000 = 6873^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 89488129 - 2⁵ = 89488097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89488169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44744064 + 44744065.

It is an arithmetic number, because the mean of its divisors is an integer number (44744065).

Almost surely, 2^89488129 is an apocalyptic number.

It is an amenable number.

89488129 is a deficient number, since it is larger than the sum of its proper divisors (1).

89488129 is an equidigital number, since it uses as much as digits as its factorization.

89488129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 49.

The square root of 89488129 is about 9459.8165415615. The cubic root of 89488129 is about 447.2892658622.

The spelling of 89488129 in words is "eighty-nine million, four hundred eighty-eight thousand, one hundred twenty-nine".