28116223829376 has 64 divisors (see below), whose sum is σ = 74796706182000. Its totient is φ = 9357895895040.

The previous prime is 28116223829371. The next prime is 28116223829389. The reversal of 28116223829376 is 67392832261182.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28116223829371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55131451 + ... + 55639098.

Almost surely, 2^{28116223829376} is an apocalyptic number.

It is an amenable number.

28116223829376 is an abundant number, since it is smaller than the sum of its proper divisors (46680482352624).

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

28116223829376 is a wasteful number, since it uses less digits than its factorization.

28116223829376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110771227 (or 110771215 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 28116223829376 in words is "twenty-eight trillion, one hundred sixteen billion, two hundred twenty-three million, eight hundred twenty-nine thousand, three hundred seventy-six".