28393946950056 has 64 divisors (see below), whose sum is σ = 71211292145280. Its totient is φ = 9434461113600.

The previous prime is 28393946950049. The next prime is 28393946950063. The reversal of 28393946950056 is 65005964939382.

It is an interprime number because it is at equal distance from previous prime (28393946950049) and next prime (28393946950063).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319164381 + ... + 319253331.

It is an arithmetic number, because the mean of its divisors is an integer number (1112676439770).

Almost surely, 2^{28393946950056} is an apocalyptic number.

It is an amenable number.

28393946950056 is an abundant number, since it is smaller than the sum of its proper divisors (42817345195224).

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

28393946950056 is a wasteful number, since it uses less digits than its factorization.

28393946950056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131234 (or 131230 counting only the distinct ones).

The product of its (nonzero) digits is 377913600, while the sum is 69.

The spelling of 28393946950056 in words is "twenty-eight trillion, three hundred ninety-three billion, nine hundred forty-six million, nine hundred fifty thousand, fifty-six".