86663117 has 2 divisors, whose sum is σ = 86663118. Its totient is φ = 86663116.

The previous prime is 86663081. The next prime is 86663119. The reversal of 86663117 is 71136668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58583716 + 28079401 = 7654^2 + 5299^2 .

It is a cyclic number.

It is not a de Polignac number, because 86663117 - 2¹⁴ = 86646733 is a prime.

Together with 86663119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86663119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43331558 + 43331559.

It is an arithmetic number, because the mean of its divisors is an integer number (43331559).

Almost surely, 2^86663117 is an apocalyptic number.

It is an amenable number.

86663117 is a deficient number, since it is larger than the sum of its proper divisors (1).

86663117 is an equidigital number, since it uses as much as digits as its factorization.

86663117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 86663117 is about 9309.3027128781. The cubic root of 86663117 is about 442.5320895579.

The spelling of 86663117 in words is "eighty-six million, six hundred sixty-three thousand, one hundred seventeen".