2776063280 has 160 divisors (see below), whose sum is σ = 7195521600. Its totient is φ = 991133696.

The previous prime is 2776063259. The next prime is 2776063289. The reversal of 2776063280 is 823606772.

It is not an unprimeable number, because it can be changed into a prime (2776063289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2326364 + ... + 2327556.

It is an arithmetic number, because the mean of its divisors is an integer number (44972010).

Almost surely, 2^2776063280 is an apocalyptic number.

2776063280 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 2776063280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597760800).

2776063280 is an abundant number, since it is smaller than the sum of its proper divisors (4419458320).

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

2776063280 is a wasteful number, since it uses less digits than its factorization.

2776063280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 2776063280 is about 52688.3600048436. The cubic root of 2776063280 is about 1405.4318366272.

The spelling of 2776063280 in words is "two billion, seven hundred seventy-six million, sixty-three thousand, two hundred eighty".