28264082648259 has 4 divisors (see below), whose sum is σ = 37685443531016. Its totient is φ = 18842721765504.

The previous prime is 28264082648233. The next prime is 28264082648281. The reversal of 28264082648259 is 95284628046282.

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

It is not a de Polignac number, because 28264082648259 - 2⁹ = 28264082647747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28264082648259.

It is not an unprimeable number, because it can be changed into a prime (28264082643259) 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, 4710680441374 + ... + 4710680441379.

It is an arithmetic number, because the mean of its divisors is an integer number (9421360882754).

Almost surely, 2^{28264082648259} is an apocalyptic number.

28264082648259 is a deficient number, since it is larger than the sum of its proper divisors (9421360882757).

28264082648259 is an equidigital number, since it uses as much as digits as its factorization.

28264082648259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421360882756.

The product of its (nonzero) digits is 212336640, while the sum is 66.

The spelling of 28264082648259 in words is "twenty-eight trillion, two hundred sixty-four billion, eighty-two million, six hundred forty-eight thousand, two hundred fifty-nine".