28262826205 has 8 divisors (see below), whose sum is σ = 34296463800. Its totient is φ = 22356212736.

The previous prime is 28262826203. The next prime is 28262826239. The reversal of 28262826205 is 50262826282.

It can be written as a sum of positive squares in 4 ways, for example, as 428241636 + 27834584569 = 20694^2 + 166837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28262826205 - 2¹ = 28262826203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28262826203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31755540 + ... + 31756429.

It is an arithmetic number, because the mean of its divisors is an integer number (4287057975).

Almost surely, 2^28262826205 is an apocalyptic number.

It is an amenable number.

28262826205 is a deficient number, since it is larger than the sum of its proper divisors (6033637595).

28262826205 is an equidigital number, since it uses as much as digits as its factorization.

28262826205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63512063.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 28262826205 in words is "twenty-eight billion, two hundred sixty-two million, eight hundred twenty-six thousand, two hundred five".