86530643 has 2 divisors, whose sum is σ = 86530644. Its totient is φ = 86530642.

The previous prime is 86530637. The next prime is 86530649. The reversal of 86530643 is 34603568.

It is a balanced prime because it is at equal distance from previous prime (86530637) and next prime (86530649).

It is a cyclic number.

It is not a de Polignac number, because 86530643 - 2¹⁸ = 86268499 is a prime.

It is not a weakly prime, because it can be changed into another prime (86530649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43265321 + 43265322.

It is an arithmetic number, because the mean of its divisors is an integer number (43265322).

Almost surely, 2^86530643 is an apocalyptic number.

86530643 is a deficient number, since it is larger than the sum of its proper divisors (1).

86530643 is an equidigital number, since it uses as much as digits as its factorization.

86530643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 86530643 is about 9302.1848508832. The cubic root of 86530643 is about 442.3064884237.

The spelling of 86530643 in words is "eighty-six million, five hundred thirty thousand, six hundred forty-three".