28805876 has 12 divisors (see below), whose sum is σ = 54993120. Its totient is φ = 13093560.

The previous prime is 28805857. The next prime is 28805891. The reversal of 28805876 is 67850882.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 654679 = 28805876 / (2 + 8 + 8 + 0 + 5 + 8 + 7 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327296 + ... + 327383.

It is an arithmetic number, because the mean of its divisors is an integer number (4582760).

Almost surely, 2^28805876 is an apocalyptic number.

It is an amenable number.

28805876 is a deficient number, since it is larger than the sum of its proper divisors (26187244).

28805876 is a wasteful number, since it uses less digits than its factorization.

28805876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654694 (or 654692 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 28805876 is about 5367.1105820544. The cubic root of 28805876 is about 306.5446179946.

The spelling of 28805876 in words is "twenty-eight million, eight hundred five thousand, eight hundred seventy-six".