88544189 has 2 divisors, whose sum is σ = 88544190. Its totient is φ = 88544188.

The previous prime is 88544173. The next prime is 88544213. The reversal of 88544189 is 98144588.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 37920964 = 7115^2 + 6158^2 .

It is a cyclic number.

It is not a de Polignac number, because 88544189 - 2⁴ = 88544173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88544129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44272094 + 44272095.

It is an arithmetic number, because the mean of its divisors is an integer number (44272095).

Almost surely, 2^88544189 is an apocalyptic number.

It is an amenable number.

88544189 is a deficient number, since it is larger than the sum of its proper divisors (1).

88544189 is an equidigital number, since it uses as much as digits as its factorization.

88544189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 47.

The square root of 88544189 is about 9409.7921868658. The cubic root of 88544189 is about 445.7110024247.

The spelling of 88544189 in words is "eighty-eight million, five hundred forty-four thousand, one hundred eighty-nine".