2782805275 has 24 divisors (see below), whose sum is σ = 3511315440. Its totient is φ = 2187440640.

The previous prime is 2782805237. The next prime is 2782805279. The reversal of 2782805275 is 5725082872.

It is not a de Polignac number, because 2782805275 - 2⁷ = 2782805147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2782805279) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 358839 + ... + 366511.

It is an arithmetic number, because the mean of its divisors is an integer number (146304810).

Almost surely, 2^2782805275 is an apocalyptic number.

2782805275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2782805275 is a deficient number, since it is larger than the sum of its proper divisors (728510165).

2782805275 is a wasteful number, since it uses less digits than its factorization.

2782805275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935 (or 7930 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 2782805275 is about 52752.3011346425. The cubic root of 2782805275 is about 1406.5686687855.

The spelling of 2782805275 in words is "two billion, seven hundred eighty-two million, eight hundred five thousand, two hundred seventy-five".