26770346728 has 16 divisors (see below), whose sum is σ = 50502343680. Its totient is φ = 13303055088.

The previous prime is 26770346719. The next prime is 26770346747. The reversal of 26770346728 is 82764307762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10263400 + ... + 10266007.

It is an arithmetic number, because the mean of its divisors is an integer number (3156396480).

Almost surely, 2^26770346728 is an apocalyptic number.

It is an amenable number.

26770346728 is a deficient number, since it is larger than the sum of its proper divisors (23731996952).

26770346728 is a wasteful number, since it uses less digits than its factorization.

26770346728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529576 (or 20529572 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 26770346728 in words is "twenty-six billion, seven hundred seventy million, three hundred forty-six thousand, seven hundred twenty-eight".