28107656076 has 12 divisors (see below), whose sum is σ = 65584530872. Its totient is φ = 9369218688.

The previous prime is 28107656053. The next prime is 28107656111. The reversal of 28107656076 is 67065670182.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1171152325 + ... + 1171152348.

Almost surely, 2^28107656076 is an apocalyptic number.

It is an amenable number.

28107656076 is an abundant number, since it is smaller than the sum of its proper divisors (37476874796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28107656076 is a wasteful number, since it uses less digits than its factorization.

28107656076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342304680 (or 2342304678 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 28107656076 in words is "twenty-eight billion, one hundred seven million, six hundred fifty-six thousand, seventy-six".