28262286262239 has 4 divisors (see below), whose sum is σ = 37683048349656. Its totient is φ = 18841524174824.

The previous prime is 28262286262219. The next prime is 28262286262241. The reversal of 28262286262239 is 93226268226282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28262286262239 - 2⁸ = 28262286261983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28262286262219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4710381043704 + ... + 4710381043709.

It is an arithmetic number, because the mean of its divisors is an integer number (9420762087414).

Almost surely, 2^{28262286262239} is an apocalyptic number.

28262286262239 is a deficient number, since it is larger than the sum of its proper divisors (9420762087417).

28262286262239 is an equidigital number, since it uses as much as digits as its factorization.

28262286262239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420762087416.

The product of its digits is 47775744, while the sum is 60.

The spelling of 28262286262239 in words is "twenty-eight trillion, two hundred sixty-two billion, two hundred eighty-six million, two hundred sixty-two thousand, two hundred thirty-nine".