28068002067 has 16 divisors (see below), whose sum is σ = 43356185600. Its totient is φ = 15819147072.

The previous prime is 28068002063. The next prime is 28068002107. The reversal of 28068002067 is 76020086082.

It is not a de Polignac number, because 28068002067 - 2² = 28068002063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28068002063) 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 15 ways as a sum of consecutive naturals, for example, 9153067 + ... + 9156132.

It is an arithmetic number, because the mean of its divisors is an integer number (2709761600).

Almost surely, 2^28068002067 is an apocalyptic number.

28068002067 is a deficient number, since it is larger than the sum of its proper divisors (15288183533).

28068002067 is a wasteful number, since it uses less digits than its factorization.

28068002067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18309282.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 28068002067 in words is "twenty-eight billion, sixty-eight million, two thousand, sixty-seven".