855469247017 has 64 divisors (see below), whose sum is σ = 1114272184320. Its totient is φ = 642915049920.

The previous prime is 855469246997. The next prime is 855469247063. The reversal of 855469247017 is 710742964558.

855469247017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855469247017 - 2⁷ = 855469246889 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855469247077) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29119578 + ... + 29148940.

It is an arithmetic number, because the mean of its divisors is an integer number (17410502880).

Almost surely, 2^855469247017 is an apocalyptic number.

It is an amenable number.

855469247017 is a deficient number, since it is larger than the sum of its proper divisors (258802937303).

855469247017 is a wasteful number, since it uses less digits than its factorization.

855469247017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29515 (or 29493 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 855469247017 in words is "eight hundred fifty-five billion, four hundred sixty-nine million, two hundred forty-seven thousand, seventeen".