86718383 has 2 divisors, whose sum is σ = 86718384. Its totient is φ = 86718382.

The previous prime is 86718361. The next prime is 86718389. The reversal of 86718383 is 38381768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86718383 - 2⁶ = 86718319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86718389) 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, 43359191 + 43359192.

It is an arithmetic number, because the mean of its divisors is an integer number (43359192).

Almost surely, 2^86718383 is an apocalyptic number.

86718383 is a deficient number, since it is larger than the sum of its proper divisors (1).

86718383 is an equidigital number, since it uses as much as digits as its factorization.

86718383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 86718383 is about 9312.2705609320. The cubic root of 86718383 is about 442.6261387233.

The spelling of 86718383 in words is "eighty-six million, seven hundred eighteen thousand, three hundred eighty-three".