28086437276852 has 6 divisors (see below), whose sum is σ = 49151265234498. Its totient is φ = 14043218638424.

The previous prime is 28086437276839. The next prime is 28086437276867. The reversal of 28086437276852 is 25867273468082.

It can be written as a sum of positive squares in only one way, i.e., 23112306240676 + 4974131036176 = 4807526^2 + 2230276^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510804659603 + ... + 3510804659610.

It is an arithmetic number, because the mean of its divisors is an integer number (8191877539083).

Almost surely, 2^{28086437276852} is an apocalyptic number.

It is an amenable number.

28086437276852 is a deficient number, since it is larger than the sum of its proper divisors (21064827957646).

28086437276852 is a wasteful number, since it uses less digits than its factorization.

28086437276852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021609319217 (or 7021609319215 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 68.

The spelling of 28086437276852 in words is "twenty-eight trillion, eighty-six billion, four hundred thirty-seven million, two hundred seventy-six thousand, eight hundred fifty-two".