86317843635664 has 10 divisors (see below), whose sum is σ = 167240822044130. Its totient is φ = 43158921817824.

The previous prime is 86317843635643. The next prime is 86317843635697. The reversal of 86317843635664 is 46653634871368.

It can be written as a sum of positive squares in only one way, i.e., 84733497806400 + 1584345829264 = 9205080^2 + 1258708^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86317843635593 and 86317843635602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697432613599 + ... + 2697432613630.

It is an arithmetic number, because the mean of its divisors is an integer number (16724082204413).

Almost surely, 2^{86317843635664} is an apocalyptic number.

It is an amenable number.

86317843635664 is a deficient number, since it is larger than the sum of its proper divisors (80922978408466).

86317843635664 is a wasteful number, since it uses less digits than its factorization.

86317843635664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394865227237 (or 5394865227231 counting only the distinct ones).

The product of its digits is 1254113280, while the sum is 70.

The spelling of 86317843635664 in words is "eighty-six trillion, three hundred seventeen billion, eight hundred forty-three million, six hundred thirty-five thousand, six hundred sixty-four".