86404111 has 2 divisors, whose sum is σ = 86404112. Its totient is φ = 86404110.

The previous prime is 86404103. The next prime is 86404127. The reversal of 86404111 is 11140468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86404111 - 2³ = 86404103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86404141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43202055 + 43202056.

It is an arithmetic number, because the mean of its divisors is an integer number (43202056).

Almost surely, 2^86404111 is an apocalyptic number.

86404111 is a deficient number, since it is larger than the sum of its proper divisors (1).

86404111 is an equidigital number, since it uses as much as digits as its factorization.

86404111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 86404111 is about 9295.3811648582. The cubic root of 86404111 is about 442.0907913245.

Adding to 86404111 its reverse (11140468), we get a palindrome (97544579).

The spelling of 86404111 in words is "eighty-six million, four hundred four thousand, one hundred eleven".