28393879049996 has 6 divisors (see below), whose sum is σ = 49689288337500. Its totient is φ = 14196939524996.

The previous prime is 28393879049983. The next prime is 28393879050007. The reversal of 28393879049996 is 69994097839382.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3549234881246 + ... + 3549234881253.

It is an arithmetic number, because the mean of its divisors is an integer number (8281548056250).

Almost surely, 2^{28393879049996} is an apocalyptic number.

It is an amenable number.

28393879049996 is a deficient number, since it is larger than the sum of its proper divisors (21295409287504).

28393879049996 is a wasteful number, since it uses less digits than its factorization.

28393879049996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098469762503 (or 7098469762501 counting only the distinct ones).

The product of its (nonzero) digits is 11428107264, while the sum is 86.

The spelling of 28393879049996 in words is "twenty-eight trillion, three hundred ninety-three billion, eight hundred seventy-nine million, forty-nine thousand, nine hundred ninety-six".