2780000002755 has 32 divisors (see below), whose sum is σ = 4943031117120. Its totient is φ = 1482424001280.

The previous prime is 2780000002739. The next prime is 2780000002817. The reversal of 2780000002755 is 5572000000872.

It is not a de Polignac number, because 2780000002755 - 2⁴ = 2780000002739 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855792 + ... + 2508461.

It is an arithmetic number, because the mean of its divisors is an integer number (154469722410).

Almost surely, 2^{2780000002755} is an apocalyptic number.

2780000002755 is a deficient number, since it is larger than the sum of its proper divisors (2163031114365).

2780000002755 is a wasteful number, since it uses less digits than its factorization.

2780000002755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370388 (or 3370382 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 2780000002755 in words is "two trillion, seven hundred eighty billion, two thousand, seven hundred fifty-five".