26708564928 has 56 divisors (see below), whose sum is σ = 70747434832. Its totient is φ = 8892647424.

The previous prime is 26708564923. The next prime is 26708564983. The reversal of 26708564928 is 82946580762.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26708564923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89076 + ... + 247692.

Almost surely, 2^26708564928 is an apocalyptic number.

It is an amenable number.

26708564928 is an abundant number, since it is smaller than the sum of its proper divisors (44038869904).

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

26708564928 is a wasteful number, since it uses less digits than its factorization.

26708564928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159509 (or 159499 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 26708564928 in words is "twenty-six billion, seven hundred eight million, five hundred sixty-four thousand, nine hundred twenty-eight".