2776000000 has 140 divisors (see below), whose sum is σ = 6953114124. Its totient is φ = 1107200000.

The previous prime is 2775999983. The next prime is 2776000009. The reversal of 2776000000 is 6772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2776000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7999827 + ... + 8000173.

Almost surely, 2^2776000000 is an apocalyptic number.

2776000000 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 2776000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476557062).

2776000000 is an abundant number, since it is smaller than the sum of its proper divisors (4177114124).

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

2776000000 is an frugal number, since it uses more digits than its factorization.

2776000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 2776000000 is about 52687.7594892780. The cubic root of 2776000000 is about 1405.4211576677.

Adding to 2776000000 its reverse (6772), we get a palindrome (2776006772).

The spelling of 2776000000 in words is "two billion, seven hundred seventy-six million", and thus it is an aban number.