86705554783 has 2 divisors, whose sum is σ = 86705554784. Its totient is φ = 86705554782.

The previous prime is 86705554759. The next prime is 86705554823. The reversal of 86705554783 is 38745550768.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86705554783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86705554703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43352777391 + 43352777392.

It is an arithmetic number, because the mean of its divisors is an integer number (43352777392).

Almost surely, 2^86705554783 is an apocalyptic number.

86705554783 is a deficient number, since it is larger than the sum of its proper divisors (1).

86705554783 is an equidigital number, since it uses as much as digits as its factorization.

86705554783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 86705554783 in words is "eighty-six billion, seven hundred five million, five hundred fifty-four thousand, seven hundred eighty-three".