86431063 has 2 divisors, whose sum is σ = 86431064. Its totient is φ = 86431062.

The previous prime is 86431061. The next prime is 86431109. The reversal of 86431063 is 36013468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86431063 - 2¹ = 86431061 is a prime.

Together with 86431061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86431061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43215531 + 43215532.

It is an arithmetic number, because the mean of its divisors is an integer number (43215532).

Almost surely, 2^86431063 is an apocalyptic number.

86431063 is a deficient number, since it is larger than the sum of its proper divisors (1).

86431063 is an equidigital number, since it uses as much as digits as its factorization.

86431063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 86431063 is about 9296.8308040966. The cubic root of 86431063 is about 442.1367536141.

The spelling of 86431063 in words is "eighty-six million, four hundred thirty-one thousand, sixty-three".