88105217 has 2 divisors, whose sum is σ = 88105218. Its totient is φ = 88105216.

The previous prime is 88105207. The next prime is 88105253. The reversal of 88105217 is 71250188.

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., 80712256 + 7392961 = 8984^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 88105217 - 2¹⁰ = 88104193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88105207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44052608 + 44052609.

It is an arithmetic number, because the mean of its divisors is an integer number (44052609).

Almost surely, 2^88105217 is an apocalyptic number.

It is an amenable number.

88105217 is a deficient number, since it is larger than the sum of its proper divisors (1).

88105217 is an equidigital number, since it uses as much as digits as its factorization.

88105217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 88105217 is about 9386.4379292679. The cubic root of 88105217 is about 444.9732206247.

The spelling of 88105217 in words is "eighty-eight million, one hundred five thousand, two hundred seventeen".