28110468872 has 32 divisors (see below), whose sum is σ = 54100327680. Its totient is φ = 13685082240.

The previous prime is 28110468851. The next prime is 28110468907. The reversal of 28110468872 is 27886401182.

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, 79793 + ... + 250175.

It is an arithmetic number, because the mean of its divisors is an integer number (1690635240).

Almost surely, 2^28110468872 is an apocalyptic number.

It is an amenable number.

28110468872 is a deficient number, since it is larger than the sum of its proper divisors (25989858808).

28110468872 is a wasteful number, since it uses less digits than its factorization.

28110468872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170933 (or 170929 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 28110468872 in words is "twenty-eight billion, one hundred ten million, four hundred sixty-eight thousand, eight hundred seventy-two".