86911664843 has 2 divisors, whose sum is σ = 86911664844. Its totient is φ = 86911664842.

The previous prime is 86911664837. The next prime is 86911664857. The reversal of 86911664843 is 34846611968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86911664843 - 2¹⁴ = 86911648459 is a prime.

It is a super-3 number, since 3×86911664843³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (86911664893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43455832421 + 43455832422.

It is an arithmetic number, because the mean of its divisors is an integer number (43455832422).

Almost surely, 2^86911664843 is an apocalyptic number.

86911664843 is a deficient number, since it is larger than the sum of its proper divisors (1).

86911664843 is an equidigital number, since it uses as much as digits as its factorization.

86911664843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 56.

The spelling of 86911664843 in words is "eighty-six billion, nine hundred eleven million, six hundred sixty-four thousand, eight hundred forty-three".