86530005943 has 2 divisors, whose sum is σ = 86530005944. Its totient is φ = 86530005942.

The previous prime is 86530005937. The next prime is 86530005977. The reversal of 86530005943 is 34950003568.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86530005943 - 2⁹ = 86530005431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86530005943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86530005743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43265002971 + 43265002972.

It is an arithmetic number, because the mean of its divisors is an integer number (43265002972).

Almost surely, 2^86530005943 is an apocalyptic number.

86530005943 is a deficient number, since it is larger than the sum of its proper divisors (1).

86530005943 is an equidigital number, since it uses as much as digits as its factorization.

86530005943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 86530005943 in words is "eighty-six billion, five hundred thirty million, five thousand, nine hundred forty-three".