86504543 has 2 divisors, whose sum is σ = 86504544. Its totient is φ = 86504542.

The previous prime is 86504507. The next prime is 86504563. The reversal of 86504543 is 34540568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86504543 - 2¹⁶ = 86439007 is a prime.

It is a super-3 number, since 3×86504543³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86504563) 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, 43252271 + 43252272.

It is an arithmetic number, because the mean of its divisors is an integer number (43252272).

Almost surely, 2^86504543 is an apocalyptic number.

86504543 is a deficient number, since it is larger than the sum of its proper divisors (1).

86504543 is an equidigital number, since it uses as much as digits as its factorization.

86504543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 86504543 is about 9300.7818488555. The cubic root of 86504543 is about 442.2620133883.

The spelling of 86504543 in words is "eighty-six million, five hundred four thousand, five hundred forty-three".