86041999 has 2 divisors, whose sum is σ = 86042000. Its totient is φ = 86041998.

The previous prime is 86041997. The next prime is 86042027. The reversal of 86041999 is 99914068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86041999 - 2¹ = 86041997 is a prime.

Together with 86041997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86041997) 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, 43020999 + 43021000.

It is an arithmetic number, because the mean of its divisors is an integer number (43021000).

Almost surely, 2^86041999 is an apocalyptic number.

86041999 is a deficient number, since it is larger than the sum of its proper divisors (1).

86041999 is an equidigital number, since it uses as much as digits as its factorization.

86041999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 86041999 is about 9275.8826534190. The cubic root of 86041999 is about 441.4723387344.

The spelling of 86041999 in words is "eighty-six million, forty-one thousand, nine hundred ninety-nine".