86911664783 has 2 divisors, whose sum is σ = 86911664784. Its totient is φ = 86911664782.

The previous prime is 86911664771. The next prime is 86911664837. The reversal of 86911664783 is 38746611968.

Together with next prime (86911664837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86911664783 - 2¹⁴ = 86911648399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86911664083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43455832391 + 43455832392.

It is an arithmetic number, because the mean of its divisors is an integer number (43455832392).

Almost surely, 2^86911664783 is an apocalyptic number.

86911664783 is a deficient number, since it is larger than the sum of its proper divisors (1).

86911664783 is an equidigital number, since it uses as much as digits as its factorization.

86911664783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 59.

The spelling of 86911664783 in words is "eighty-six billion, nine hundred eleven million, six hundred sixty-four thousand, seven hundred eighty-three".