2872708585 has 4 divisors (see below), whose sum is σ = 3447250308. Its totient is φ = 2298166864.

The previous prime is 2872708567. The next prime is 2872708621. The reversal of 2872708585 is 5858072782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5858072782 = 2 ⋅2929036391.

It can be written as a sum of positive squares in 2 ways, for example, as 1575772416 + 1296936169 = 39696^2 + 36013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872708585 - 2¹¹ = 2872706537 is a prime.

It is a super-2 number, since 2×2872708585² = 16504909228665404450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 287270854 + ... + 287270863.

It is an arithmetic number, because the mean of its divisors is an integer number (861812577).

Almost surely, 2^2872708585 is an apocalyptic number.

It is an amenable number.

2872708585 is a deficient number, since it is larger than the sum of its proper divisors (574541723).

2872708585 is an equidigital number, since it uses as much as digits as its factorization.

2872708585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574541722.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The square root of 2872708585 is about 53597.6546595091. The cubic root of 2872708585 is about 1421.5556225945. Note that the first 3 decimals are identical.

The spelling of 2872708585 in words is "two billion, eight hundred seventy-two million, seven hundred eight thousand, five hundred eighty-five".