28060673215 has 4 divisors (see below), whose sum is σ = 33672807864. Its totient is φ = 22448538568.

The previous prime is 28060673213. The next prime is 28060673219. The reversal of 28060673215 is 51237606082.

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 28060673215 - 2¹ = 28060673213 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060673213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806067317 + ... + 2806067326.

It is an arithmetic number, because the mean of its divisors is an integer number (8418201966).

Almost surely, 2^28060673215 is an apocalyptic number.

28060673215 is a deficient number, since it is larger than the sum of its proper divisors (5612134649).

28060673215 is an equidigital number, since it uses as much as digits as its factorization.

28060673215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612134648.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 28060673215 in words is "twenty-eight billion, sixty million, six hundred seventy-three thousand, two hundred fifteen".