86433811 has 2 divisors, whose sum is σ = 86433812. Its totient is φ = 86433810.

The previous prime is 86433791. The next prime is 86433817. The reversal of 86433811 is 11833468.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86433811 is a prime.

It is not a weakly prime, because it can be changed into another prime (86433817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43216905 + 43216906.

It is an arithmetic number, because the mean of its divisors is an integer number (43216906).

Almost surely, 2^86433811 is an apocalyptic number.

86433811 is a deficient number, since it is larger than the sum of its proper divisors (1).

86433811 is an equidigital number, since it uses as much as digits as its factorization.

86433811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 86433811 is about 9296.9785952211. The cubic root of 86433811 is about 442.1414393481.

The spelling of 86433811 in words is "eighty-six million, four hundred thirty-three thousand, eight hundred eleven".