28675555 has 8 divisors (see below), whose sum is σ = 35340912. Its totient is φ = 22320288.

The previous prime is 28675553. The next prime is 28675571. The reversal of 28675555 is 55557682.

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 28675555 - 2¹ = 28675553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28675553) 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, 77317 + ... + 77686.

It is an arithmetic number, because the mean of its divisors is an integer number (4417614).

Almost surely, 2^28675555 is an apocalyptic number.

28675555 is a deficient number, since it is larger than the sum of its proper divisors (6665357).

28675555 is a wasteful number, since it uses less digits than its factorization.

28675555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155045.

The product of its digits is 420000, while the sum is 43.

The square root of 28675555 is about 5354.9561155998. The cubic root of 28675555 is about 306.0816384053.

The spelling of 28675555 in words is "twenty-eight million, six hundred seventy-five thousand, five hundred fifty-five".