8705284273 has 4 divisors (see below), whose sum is σ = 9948896320. Its totient is φ = 7461672228.

The previous prime is 8705284243. The next prime is 8705284297. The reversal of 8705284273 is 3724825078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8705284273 - 2⁵ = 8705284241 is a prime.

It is a super-2 number, since 2×8705284273² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8705284223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621806013 + ... + 621806026.

It is an arithmetic number, because the mean of its divisors is an integer number (2487224080).

Almost surely, 2^8705284273 is an apocalyptic number.

It is an amenable number.

8705284273 is a deficient number, since it is larger than the sum of its proper divisors (1243612047).

8705284273 is a wasteful number, since it uses less digits than its factorization.

8705284273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243612046.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 8705284273 is about 93302.1129074792. The cubic root of 8705284273 is about 2057.1264387374.

The spelling of 8705284273 in words is "eight billion, seven hundred five million, two hundred eighty-four thousand, two hundred seventy-three".