28547166056 has 32 divisors (see below), whose sum is σ = 56890142400. Its totient is φ = 13391049600.

The previous prime is 28547166049. The next prime is 28547166077. The reversal of 28547166056 is 65066174582.

It is a junction number, because it is equal to n+sod(n) for n = 28547165995 and 28547166013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896045 + ... + 927356.

It is an arithmetic number, because the mean of its divisors is an integer number (1777816950).

Almost surely, 2^28547166056 is an apocalyptic number.

It is an amenable number.

28547166056 is a deficient number, since it is larger than the sum of its proper divisors (28342976344).

28547166056 is a wasteful number, since it uses less digits than its factorization.

28547166056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823529 (or 1823525 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 28547166056 in words is "twenty-eight billion, five hundred forty-seven million, one hundred sixty-six thousand, fifty-six".