28913936748 has 12 divisors (see below), whose sum is σ = 67465852440. Its totient is φ = 9637978912.

The previous prime is 28913936699. The next prime is 28913936791. The reversal of 28913936748 is 84763931982.

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

It is a junction number, because it is equal to n+sod(n) for n = 28913936691 and 28913936700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204747353 + ... + 1204747376.

It is an arithmetic number, because the mean of its divisors is an integer number (5622154370).

Almost surely, 2^28913936748 is an apocalyptic number.

It is an amenable number.

28913936748 is an abundant number, since it is smaller than the sum of its proper divisors (38551915692).

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

28913936748 is a wasteful number, since it uses less digits than its factorization.

28913936748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409494736 (or 2409494734 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The spelling of 28913936748 in words is "twenty-eight billion, nine hundred thirteen million, nine hundred thirty-six thousand, seven hundred forty-eight".