2777777777480 has 64 divisors (see below), whose sum is σ = 6383575630080. Its totient is φ = 1087368755200.

The previous prime is 2777777777473. The next prime is 2777777777503. The reversal of 2777777777480 is 847777777772.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21897035 + ... + 22023525.

It is an arithmetic number, because the mean of its divisors is an integer number (99743369220).

Almost surely, 2^{2777777777480} is an apocalyptic number.

2777777777480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2777777777480 is an abundant number, since it is smaller than the sum of its proper divisors (3605797852600).

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

2777777777480 is a wasteful number, since it uses less digits than its factorization.

2777777777480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138230 (or 138226 counting only the distinct ones).

The product of its (nonzero) digits is 2582630848, while the sum is 77.

The spelling of 2777777777480 in words is "two trillion, seven hundred seventy-seven billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, four hundred eighty".