88108609 has 2 divisors, whose sum is σ = 88108610. Its totient is φ = 88108608.

The previous prime is 88108571. The next prime is 88108613. The reversal of 88108609 is 90680188.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 7952400 = 8953^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 88108609 - 2⁷ = 88108481 is a prime.

It is not a weakly prime, because it can be changed into another prime (88108619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44054304 + 44054305.

It is an arithmetic number, because the mean of its divisors is an integer number (44054305).

Almost surely, 2^88108609 is an apocalyptic number.

It is an amenable number.

88108609 is a deficient number, since it is larger than the sum of its proper divisors (1).

88108609 is an equidigital number, since it uses as much as digits as its factorization.

88108609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 88108609 is about 9386.6186137501. The cubic root of 88108609 is about 444.9789309555.

The spelling of 88108609 in words is "eighty-eight million, one hundred eight thousand, six hundred nine".