28655732105 has 96 divisors (see below), whose sum is σ = 47924379648. Its totient is φ = 15956179200.

The previous prime is 28655732057. The next prime is 28655732111. The reversal of 28655732105 is 50123755682.

It is not a de Polignac number, because 28655732105 - 2¹⁸ = 28655469961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2009912 + ... + 2024118.

It is an arithmetic number, because the mean of its divisors is an integer number (499212288).

Almost surely, 2^28655732105 is an apocalyptic number.

It is an amenable number.

28655732105 is a deficient number, since it is larger than the sum of its proper divisors (19268647543).

28655732105 is a wasteful number, since it uses less digits than its factorization.

28655732105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287 (or 14274 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 28655732105 in words is "twenty-eight billion, six hundred fifty-five million, seven hundred thirty-two thousand, one hundred five".