26828519966 has 8 divisors (see below), whose sum is σ = 40243474944. Its totient is φ = 13414028320.

The previous prime is 26828519959. The next prime is 26828519987. The reversal of 26828519966 is 66991582862.

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

It is a junction number, because it is equal to n+sod(n) for n = 26828519899 and 26828519908.

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, 169571 + ... + 287073.

It is an arithmetic number, because the mean of its divisors is an integer number (5030434368).

Almost surely, 2^26828519966 is an apocalyptic number.

26828519966 is a deficient number, since it is larger than the sum of its proper divisors (13414954978).

26828519966 is a wasteful number, since it uses less digits than its factorization.

26828519966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231666.

The product of its digits is 22394880, while the sum is 62.

The spelling of 26828519966 in words is "twenty-six billion, eight hundred twenty-eight million, five hundred nineteen thousand, nine hundred sixty-six".