28248260667 has 16 divisors (see below), whose sum is σ = 41092323840. Its totient is φ = 17118514400.

The previous prime is 28248260641. The next prime is 28248260669. The reversal of 28248260667 is 76606284282.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28248260667 - 2³⁰ = 27174518843 is a prime.

It is a super-6 number, since 6×28248260667⁶ (a number of 64 digits) contains 666666 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28248260669) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 368917 + ... + 438857.

It is an arithmetic number, because the mean of its divisors is an integer number (2568270240).

Almost surely, 2^28248260667 is an apocalyptic number.

28248260667 is a deficient number, since it is larger than the sum of its proper divisors (12844063173).

28248260667 is a wasteful number, since it uses less digits than its factorization.

28248260667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82194.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 28248260667 in words is "twenty-eight billion, two hundred forty-eight million, two hundred sixty thousand, six hundred sixty-seven".