26929985900 has 18 divisors (see below), whose sum is σ = 58438069620. Its totient is φ = 10771994320.

The previous prime is 26929985899. The next prime is 26929985903. The reversal of 26929985900 is 958992962.

It is a self number, because there is not a number n which added to its sum of digits gives 26929985900.

It is not an unprimeable number, because it can be changed into a prime (26929985903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134649830 + ... + 134650029.

Almost surely, 2^26929985900 is an apocalyptic number.

26929985900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26929985900 is an abundant number, since it is smaller than the sum of its proper divisors (31508083720).

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

26929985900 is a wasteful number, since it uses less digits than its factorization.

26929985900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269299873 (or 269299866 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 26929985900 in words is "twenty-six billion, nine hundred twenty-nine million, nine hundred eighty-five thousand, nine hundred".