28338872673 has 8 divisors (see below), whose sum is σ = 39004039936. Its totient is φ = 18283143600.

The previous prime is 28338872669. The next prime is 28338872707. The reversal of 28338872673 is 37627883382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28338872673 - 2² = 28338872669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28338872633) 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, 152359438 + ... + 152359623.

It is an arithmetic number, because the mean of its divisors is an integer number (4875504992).

Almost surely, 2^28338872673 is an apocalyptic number.

It is an amenable number.

28338872673 is a deficient number, since it is larger than the sum of its proper divisors (10665167263).

28338872673 is a wasteful number, since it uses less digits than its factorization.

28338872673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304719095.

The product of its digits is 16257024, while the sum is 57.

The spelling of 28338872673 in words is "twenty-eight billion, three hundred thirty-eight million, eight hundred seventy-two thousand, six hundred seventy-three".