27726676208 has 160 divisors (see below), whose sum is σ = 67907082240. Its totient is φ = 10653511680.

The previous prime is 27726676183. The next prime is 27726676261. The reversal of 27726676208 is 80267662772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27726676208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38562473 + ... + 38563191.

It is an arithmetic number, because the mean of its divisors is an integer number (424419264).

Almost surely, 2^27726676208 is an apocalyptic number.

27726676208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27726676208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33953541120).

27726676208 is an abundant number, since it is smaller than the sum of its proper divisors (40180406032).

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

27726676208 is a wasteful number, since it uses less digits than its factorization.

27726676208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 27726676208 in words is "twenty-seven billion, seven hundred twenty-six million, six hundred seventy-six thousand, two hundred eight".