8455716865 has 16 divisors (see below), whose sum is σ = 10360042560. Its totient is φ = 6623368000.

The previous prime is 8455716817. The next prime is 8455716961. The reversal of 8455716865 is 5686175548.

It is not a de Polignac number, because 8455716865 - 2¹⁷ = 8455585793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16947 + ... + 131143.

It is an arithmetic number, because the mean of its divisors is an integer number (647502660).

It is a Proth number, since it is equal to 63 ⋅ 2²⁷ + 1 and 63 < 2²⁷.

Almost surely, 2^8455716865 is an apocalyptic number.

It is an amenable number.

8455716865 is a deficient number, since it is larger than the sum of its proper divisors (1904325695).

8455716865 is a wasteful number, since it uses less digits than its factorization.

8455716865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114512.

The product of its digits is 8064000, while the sum is 55.

The square root of 8455716865 is about 91954.9719427938. The cubic root of 8455716865 is about 2037.2772905233.

The spelling of 8455716865 in words is "eight billion, four hundred fifty-five million, seven hundred sixteen thousand, eight hundred sixty-five".