28908265673 has 8 divisors (see below), whose sum is σ = 34776861120. Its totient is φ = 23474381040.

The previous prime is 28908265667. The next prime is 28908265679. The reversal of 28908265673 is 37656280982.

It is an interprime number because it is at equal distance from previous prime (28908265667) and next prime (28908265679).

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 28908265673 - 2¹⁴ = 28908249289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28908265679) 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, 108677558 + ... + 108677823.

It is an arithmetic number, because the mean of its divisors is an integer number (4347107640).

Almost surely, 2^28908265673 is an apocalyptic number.

It is an amenable number.

28908265673 is a deficient number, since it is larger than the sum of its proper divisors (5868595447).

28908265673 is a wasteful number, since it uses less digits than its factorization.

28908265673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217355407.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 28908265673 in words is "twenty-eight billion, nine hundred eight million, two hundred sixty-five thousand, six hundred seventy-three".