86380471 has 2 divisors, whose sum is σ = 86380472. Its totient is φ = 86380470.

The previous prime is 86380397. The next prime is 86380529. The reversal of 86380471 is 17408368.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86380471 - 2¹¹ = 86378423 is a prime.

It is a super-3 number, since 3×86380471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86380471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86380171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43190235 + 43190236.

It is an arithmetic number, because the mean of its divisors is an integer number (43190236).

Almost surely, 2^86380471 is an apocalyptic number.

86380471 is a deficient number, since it is larger than the sum of its proper divisors (1).

86380471 is an equidigital number, since it uses as much as digits as its factorization.

86380471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 86380471 is about 9294.1094785891. The cubic root of 86380471 is about 442.0504692478.

The spelling of 86380471 in words is "eighty-six million, three hundred eighty thousand, four hundred seventy-one".