86868583 has 2 divisors, whose sum is σ = 86868584. Its totient is φ = 86868582.

The previous prime is 86868581. The next prime is 86868599. The reversal of 86868583 is 38586868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86868583 - 2¹ = 86868581 is a prime.

It is a super-3 number, since 3×86868583³ (a number of 25 digits) contains 333 as substring.

Together with 86868581, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 86868583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86868581) 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, 43434291 + 43434292.

It is an arithmetic number, because the mean of its divisors is an integer number (43434292).

Almost surely, 2^86868583 is an apocalyptic number.

86868583 is a deficient number, since it is larger than the sum of its proper divisors (1).

86868583 is an equidigital number, since it uses as much as digits as its factorization.

86868583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 52.

The square root of 86868583 is about 9320.3317001060. The cubic root of 86868583 is about 442.8815405468.

The spelling of 86868583 in words is "eighty-six million, eight hundred sixty-eight thousand, five hundred eighty-three".