28580108 has 12 divisors (see below), whose sum is σ = 50063160. Its totient is φ = 14276352.

The previous prime is 28580063. The next prime is 28580113. The reversal of 28580108 is 80108582.

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, 2348 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (4171930).

Almost surely, 2^28580108 is an apocalyptic number.

It is an amenable number.

28580108 is a deficient number, since it is larger than the sum of its proper divisors (21483052).

28580108 is a wasteful number, since it uses less digits than its factorization.

28580108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 28580108 is about 5346.0366627998. The cubic root of 28580108 is about 305.7416618651.

The spelling of 28580108 in words is "twenty-eight million, five hundred eighty thousand, one hundred eight".