88641317 has 2 divisors, whose sum is σ = 88641318. Its totient is φ = 88641316.

The previous prime is 88641269. The next prime is 88641323. The reversal of 88641317 is 71314688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71385601 + 17255716 = 8449^2 + 4154^2 .

It is a cyclic number.

It is not a de Polignac number, because 88641317 - 2⁶ = 88641253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88641347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44320658 + 44320659.

It is an arithmetic number, because the mean of its divisors is an integer number (44320659).

Almost surely, 2^88641317 is an apocalyptic number.

It is an amenable number.

88641317 is a deficient number, since it is larger than the sum of its proper divisors (1).

88641317 is an equidigital number, since it uses as much as digits as its factorization.

88641317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 88641317 is about 9414.9517789525. The cubic root of 88641317 is about 445.8739161784.

The spelling of 88641317 in words is "eighty-eight million, six hundred forty-one thousand, three hundred seventeen".