860542873 has 6 divisors (see below), whose sum is σ = 914141006. Its totient is φ = 809922432.

The previous prime is 860542871. The next prime is 860542877. The reversal of 860542873 is 378245068.

It can be written as a sum of positive squares in 3 ways, for example, as 328225689 + 532317184 = 18117^2 + 23072^2 .

It is not a de Polignac number, because 860542873 - 2¹ = 860542871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860542871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1488540 + ... + 1489117.

Almost surely, 2^860542873 is an apocalyptic number.

It is an amenable number.

860542873 is a deficient number, since it is larger than the sum of its proper divisors (53598133).

860542873 is a wasteful number, since it uses less digits than its factorization.

860542873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977691 (or 2977674 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 860542873 is about 29335.0110448249. The cubic root of 860542873 is about 951.1685981100.

The spelling of 860542873 in words is "eight hundred sixty million, five hundred forty-two thousand, eight hundred seventy-three".