28798646884 has 24 divisors (see below), whose sum is σ = 60985370880. Its totient is φ = 11616260736.

The previous prime is 28798646831. The next prime is 28798646927. The reversal of 28798646884 is 48864689782.

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, 30250204 + ... + 30251155.

It is an arithmetic number, because the mean of its divisors is an integer number (2541057120).

Almost surely, 2^28798646884 is an apocalyptic number.

It is an amenable number.

28798646884 is an abundant number, since it is smaller than the sum of its proper divisors (32186723996).

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

28798646884 is a wasteful number, since it uses less digits than its factorization.

28798646884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60501387 (or 60501385 counting only the distinct ones).

The product of its digits is 297271296, while the sum is 70.

The spelling of 28798646884 in words is "twenty-eight billion, seven hundred ninety-eight million, six hundred forty-six thousand, eight hundred eighty-four".