28068676605 has 16 divisors (see below), whose sum is σ = 49899869760. Its totient is φ = 14969960784.

The previous prime is 28068676577. The next prime is 28068676613. The reversal of 28068676605 is 50667686082.

28068676605 is a `hidden beast` number, since 28 + 0 + 6 + 8 + 6 + 7 + 6 + 605 = 666.

It is not a de Polignac number, because 28068676605 - 2⁷ = 28068676477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103957927 + ... + 103958196.

It is an arithmetic number, because the mean of its divisors is an integer number (3118741860).

Almost surely, 2^28068676605 is an apocalyptic number.

It is an amenable number.

28068676605 is a deficient number, since it is larger than the sum of its proper divisors (21831193155).

28068676605 is a wasteful number, since it uses less digits than its factorization.

28068676605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207916137 (or 207916131 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 28068676605 in words is "twenty-eight billion, sixty-eight million, six hundred seventy-six thousand, six hundred five".