2780555280275 has 12 divisors (see below), whose sum is σ = 3512943050112. Its totient is φ = 2182473577440.

The previous prime is 2780555280271. The next prime is 2780555280301. The reversal of 2780555280275 is 5720825550872.

It is a happy number.

2780555280275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2780555280275 - 2² = 2780555280271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2780555280275.

It is not an unprimeable number, because it can be changed into a prime (2780555280271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1049264819 + ... + 1049267468.

It is an arithmetic number, because the mean of its divisors is an integer number (292745254176).

Almost surely, 2^{2780555280275} is an apocalyptic number.

2780555280275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2780555280275 is a deficient number, since it is larger than the sum of its proper divisors (732387769837).

2780555280275 is a wasteful number, since it uses less digits than its factorization.

2780555280275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098532350 (or 2098532345 counting only the distinct ones).

The product of its (nonzero) digits is 15680000, while the sum is 56.

The spelling of 2780555280275 in words is "two trillion, seven hundred eighty billion, five hundred fifty-five million, two hundred eighty thousand, two hundred seventy-five".