88896209 has 2 divisors, whose sum is σ = 88896210. Its totient is φ = 88896208.

The previous prime is 88896187. The next prime is 88896217. The reversal of 88896209 is 90269888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88887184 + 9025 = 9428^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 88896209 - 2⁸ = 88895953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88896229) 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, 44448104 + 44448105.

It is an arithmetic number, because the mean of its divisors is an integer number (44448105).

Almost surely, 2^88896209 is an apocalyptic number.

It is an amenable number.

88896209 is a deficient number, since it is larger than the sum of its proper divisors (1).

88896209 is an equidigital number, since it uses as much as digits as its factorization.

88896209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 88896209 is about 9428.4786153440. The cubic root of 88896209 is about 446.3008838608.

The spelling of 88896209 in words is "eighty-eight million, eight hundred ninety-six thousand, two hundred nine".