86403317771 has 2 divisors, whose sum is σ = 86403317772. Its totient is φ = 86403317770.

The previous prime is 86403317729. The next prime is 86403317827. The reversal of 86403317771 is 17771330468.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86403317771 is a prime.

It is not a weakly prime, because it can be changed into another prime (86403310771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43201658885 + 43201658886.

It is an arithmetic number, because the mean of its divisors is an integer number (43201658886).

Almost surely, 2^86403317771 is an apocalyptic number.

86403317771 is a deficient number, since it is larger than the sum of its proper divisors (1).

86403317771 is an equidigital number, since it uses as much as digits as its factorization.

86403317771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 86403317771 in words is "eighty-six billion, four hundred three million, three hundred seventeen thousand, seven hundred seventy-one".