86369471 has 2 divisors, whose sum is σ = 86369472. Its totient is φ = 86369470.

The previous prime is 86369467. The next prime is 86369477. The reversal of 86369471 is 17496368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86369471 - 2² = 86369467 is a prime.

It is a super-3 number, since 3×86369471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86369477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43184735 + 43184736.

It is an arithmetic number, because the mean of its divisors is an integer number (43184736).

Almost surely, 2^86369471 is an apocalyptic number.

86369471 is a deficient number, since it is larger than the sum of its proper divisors (1).

86369471 is an equidigital number, since it uses as much as digits as its factorization.

86369471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 86369471 is about 9293.5176870763. The cubic root of 86369471 is about 442.0317043521.

The spelling of 86369471 in words is "eighty-six million, three hundred sixty-nine thousand, four hundred seventy-one".