86408911 has 2 divisors, whose sum is σ = 86408912. Its totient is φ = 86408910.

The previous prime is 86408869. The next prime is 86408929. The reversal of 86408911 is 11980468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86408911 - 2⁷ = 86408783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86408111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43204455 + 43204456.

It is an arithmetic number, because the mean of its divisors is an integer number (43204456).

Almost surely, 2^86408911 is an apocalyptic number.

86408911 is a deficient number, since it is larger than the sum of its proper divisors (1).

86408911 is an equidigital number, since it uses as much as digits as its factorization.

86408911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 86408911 is about 9295.6393540197. The cubic root of 86408911 is about 442.0989776499.

The spelling of 86408911 in words is "eighty-six million, four hundred eight thousand, nine hundred eleven".