27776000000 has 392 divisors, whose sum is σ = 81913951488. Its totient is φ = 9216000000.

The previous prime is 27775999991. The next prime is 27776000017. The reversal of 27776000000 is 67772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 895999985 + ... + 896000015.

Almost surely, 2^27776000000 is an apocalyptic number.

27776000000 is a gapful number since it is divisible by the number (20) 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 27776000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40956975744).

27776000000 is an abundant number, since it is smaller than the sum of its proper divisors (54137951488).

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

27776000000 is an frugal number, since it uses more digits than its factorization.

27776000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

Adding to 27776000000 its reverse (67772), we get a palindrome (27776067772).

The spelling of 27776000000 in words is "twenty-seven billion, seven hundred seventy-six million", and thus it is an aban number.