2780052778050 has 48 divisors (see below), whose sum is σ = 6940190091072. Its totient is φ = 736437816000.

The previous prime is 2780052778033. The next prime is 2780052778117. The reversal of 2780052778050 is 508772500872.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2780052777984 and 2780052778002.

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 23 ways as a sum of consecutive naturals, for example, 61347169 + ... + 61392468.

It is an arithmetic number, because the mean of its divisors is an integer number (144587293564).

Almost surely, 2^{2780052778050} is an apocalyptic number.

2780052778050 is an abundant number, since it is smaller than the sum of its proper divisors (4160137313022).

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

2780052778050 is a wasteful number, since it uses less digits than its factorization.

2780052778050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122739803 (or 122739798 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 51.

The spelling of 2780052778050 in words is "two trillion, seven hundred eighty billion, fifty-two million, seven hundred seventy-eight thousand, fifty".