28069607798 has 8 divisors (see below), whose sum is σ = 42147776520. Its totient is φ = 14020348960.

The previous prime is 28069607743. The next prime is 28069607803. The reversal of 28069607798 is 89770696082.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28069607798.

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, 7225043 + ... + 7228926.

It is an arithmetic number, because the mean of its divisors is an integer number (5268472065).

Almost surely, 2^28069607798 is an apocalyptic number.

28069607798 is a deficient number, since it is larger than the sum of its proper divisors (14078168722).

28069607798 is a wasteful number, since it uses less digits than its factorization.

28069607798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14454942.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 28069607798 in words is "twenty-eight billion, sixty-nine million, six hundred seven thousand, seven hundred ninety-eight".