27000673856 has 56 divisors (see below), whose sum is σ = 57787894584. Its totient is φ = 12443074560.

The previous prime is 27000673853. The next prime is 27000673871. The reversal of 27000673856 is 65837600072.

It can be written as a sum of positive squares in 4 ways, for example, as 899040256 + 26101633600 = 29984^2 + 161560^2 .

It is not an unprimeable number, because it can be changed into a prime (27000673853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535826 + ... + 584046.

It is an arithmetic number, because the mean of its divisors is an integer number (1031926689).

Almost surely, 2^27000673856 is an apocalyptic number.

27000673856 is a gapful number since it is divisible by the number (26) 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 27000673856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28893947292).

27000673856 is an abundant number, since it is smaller than the sum of its proper divisors (30787220728).

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

27000673856 is a wasteful number, since it uses less digits than its factorization.

27000673856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48919 (or 48909 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 27000673856 in words is "twenty-seven billion, six hundred seventy-three thousand, eight hundred fifty-six".