28556470108 has 24 divisors (see below), whose sum is σ = 51159854592. Its totient is φ = 13939678704.

The previous prime is 28556470091. The next prime is 28556470121. The reversal of 28556470108 is 80107465582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341991 + ... + 417217.

It is an arithmetic number, because the mean of its divisors is an integer number (2131660608).

Almost surely, 2^28556470108 is an apocalyptic number.

It is an amenable number.

28556470108 is a deficient number, since it is larger than the sum of its proper divisors (22603384484).

28556470108 is a wasteful number, since it uses less digits than its factorization.

28556470108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77481 (or 77479 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 28556470108 in words is "twenty-eight billion, five hundred fifty-six million, four hundred seventy thousand, one hundred eight".