28550862536 has 24 divisors (see below), whose sum is σ = 62272928070. Its totient is φ = 12236083776.

The previous prime is 28550862511. The next prime is 28550862553. The reversal of 28550862536 is 63526805582.

It can be written as a sum of positive squares in only one way, i.e., 14934306436 + 13616556100 = 122206^2 + 116690^2 .

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 5 ways as a sum of consecutive naturals, for example, 36416525 + ... + 36417308.

Almost surely, 2^28550862536 is an apocalyptic number.

It is an amenable number.

28550862536 is an abundant number, since it is smaller than the sum of its proper divisors (33722065534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28550862536 is a wasteful number, since it uses less digits than its factorization.

28550862536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72833853 (or 72833842 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 28550862536 in words is "twenty-eight billion, five hundred fifty million, eight hundred sixty-two thousand, five hundred thirty-six".