86555188155473 has 2 divisors, whose sum is σ = 86555188155474. Its totient is φ = 86555188155472.

The previous prime is 86555188155463. The next prime is 86555188155593. The reversal of 86555188155473 is 37455188155568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83216849894929 + 3338338260544 = 9122327^2 + 1827112^2 .

It is a cyclic number.

It is not a de Polignac number, because 86555188155473 - 2⁶ = 86555188155409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86555188155397 and 86555188155406.

It is not a weakly prime, because it can be changed into another prime (86555188155463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43277594077736 + 43277594077737.

It is an arithmetic number, because the mean of its divisors is an integer number (43277594077737).

Almost surely, 2^{86555188155473} is an apocalyptic number.

It is an amenable number.

86555188155473 is a deficient number, since it is larger than the sum of its proper divisors (1).

86555188155473 is an equidigital number, since it uses as much as digits as its factorization.

86555188155473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400000, while the sum is 71.

The spelling of 86555188155473 in words is "eighty-six trillion, five hundred fifty-five billion, one hundred eighty-eight million, one hundred fifty-five thousand, four hundred seventy-three".