28587871836273 has 16 divisors (see below), whose sum is σ = 38787174184640. Its totient is φ = 18726402410496.

The previous prime is 28587871836247. The next prime is 28587871836313. The reversal of 28587871836273 is 37263817878582.

It is not a de Polignac number, because 28587871836273 - 2²⁵ = 28587838281841 is a prime.

It is a super-2 number, since 2×28587871836273² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28587871836195 and 28587871836204.

It is not an unprimeable number, because it can be changed into a prime (28587871836233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353341240 + ... + 353422137.

It is an arithmetic number, because the mean of its divisors is an integer number (2424198386540).

Almost surely, 2^{28587871836273} is an apocalyptic number.

It is an amenable number.

28587871836273 is a deficient number, since it is larger than the sum of its proper divisors (10199302348367).

28587871836273 is a wasteful number, since it uses less digits than its factorization.

28587871836273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706763616.

The product of its digits is 1517322240, while the sum is 75.

The spelling of 28587871836273 in words is "twenty-eight trillion, five hundred eighty-seven billion, eight hundred seventy-one million, eight hundred thirty-six thousand, two hundred seventy-three".