28813448708 has 12 divisors (see below), whose sum is σ = 55007493072. Its totient is φ = 13097022120.

The previous prime is 28813448689. The next prime is 28813448779. The reversal of 28813448708 is 80784431882.

It is a self number, because there is not a number n which added to its sum of digits gives 28813448708.

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, 327425510 + ... + 327425597.

It is an arithmetic number, because the mean of its divisors is an integer number (4583957756).

Almost surely, 2^28813448708 is an apocalyptic number.

It is an amenable number.

28813448708 is a deficient number, since it is larger than the sum of its proper divisors (26194044364).

28813448708 is a wasteful number, since it uses less digits than its factorization.

28813448708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654851122 (or 654851120 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 28813448708 in words is "twenty-eight billion, eight hundred thirteen million, four hundred forty-eight thousand, seven hundred eight".