86343834636511 has 2 divisors, whose sum is σ = 86343834636512. Its totient is φ = 86343834636510.

The previous prime is 86343834636497. The next prime is 86343834636581. The reversal of 86343834636511 is 11563643834368.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86343834636511 - 2⁷ = 86343834636383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86343834636511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86343834636581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43171917318255 + 43171917318256.

It is an arithmetic number, because the mean of its divisors is an integer number (43171917318256).

Almost surely, 2^{86343834636511} is an apocalyptic number.

86343834636511 is a deficient number, since it is larger than the sum of its proper divisors (1).

86343834636511 is an equidigital number, since it uses as much as digits as its factorization.

86343834636511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 89579520, while the sum is 61.

The spelling of 86343834636511 in words is "eighty-six trillion, three hundred forty-three billion, eight hundred thirty-four million, six hundred thirty-six thousand, five hundred eleven".