28108116446 has 8 divisors (see below), whose sum is σ = 42170556960. Its totient is φ = 14051264128.

The previous prime is 28108116389. The next prime is 28108116479. The reversal of 28108116446 is 64461180182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 1384451 + ... + 1404606.

It is an arithmetic number, because the mean of its divisors is an integer number (5271319620).

Almost surely, 2^28108116446 is an apocalyptic number.

28108116446 is a deficient number, since it is larger than the sum of its proper divisors (14062440514).

28108116446 is a wasteful number, since it uses less digits than its factorization.

28108116446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794098.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 28108116446 in words is "twenty-eight billion, one hundred eight million, one hundred sixteen thousand, four hundred forty-six".