88708189 has 2 divisors, whose sum is σ = 88708190. Its totient is φ = 88708188.

The previous prime is 88708177. The next prime is 88708219. The reversal of 88708189 is 98180788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66145689 + 22562500 = 8133^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 88708189 - 2⁹ = 88707677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88708289) 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, 44354094 + 44354095.

It is an arithmetic number, because the mean of its divisors is an integer number (44354095).

Almost surely, 2^88708189 is an apocalyptic number.

It is an amenable number.

88708189 is a deficient number, since it is larger than the sum of its proper divisors (1).

88708189 is an equidigital number, since it uses as much as digits as its factorization.

88708189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 49.

The square root of 88708189 is about 9418.5024818174. The cubic root of 88708189 is about 445.9860120825.

The spelling of 88708189 in words is "eighty-eight million, seven hundred eight thousand, one hundred eighty-nine".