86878343 has 2 divisors, whose sum is σ = 86878344. Its totient is φ = 86878342.

The previous prime is 86878333. The next prime is 86878367. The reversal of 86878343 is 34387868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86878343 - 2⁴ = 86878327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86878333) 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, 43439171 + 43439172.

It is an arithmetic number, because the mean of its divisors is an integer number (43439172).

Almost surely, 2^86878343 is an apocalyptic number.

86878343 is a deficient number, since it is larger than the sum of its proper divisors (1).

86878343 is an equidigital number, since it uses as much as digits as its factorization.

86878343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The square root of 86878343 is about 9320.8552719158. The cubic root of 86878343 is about 442.8981263741.

The spelling of 86878343 in words is "eighty-six million, eight hundred seventy-eight thousand, three hundred forty-three".