86004823 has 2 divisors, whose sum is σ = 86004824. Its totient is φ = 86004822.

The previous prime is 86004769. The next prime is 86004829. The reversal of 86004823 is 32840068.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86004823 - 2²¹ = 83907671 is a prime.

It is a super-2 number, since 2×86004823² = 14793659158522658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86004829) 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, 43002411 + 43002412.

It is an arithmetic number, because the mean of its divisors is an integer number (43002412).

Almost surely, 2^86004823 is an apocalyptic number.

86004823 is a deficient number, since it is larger than the sum of its proper divisors (1).

86004823 is an equidigital number, since it uses as much as digits as its factorization.

86004823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86004823 is about 9273.8785305826. The cubic root of 86004823 is about 441.4087475419.

The spelling of 86004823 in words is "eighty-six million, four thousand, eight hundred twenty-three".