2127855782 has 16 divisors (see below), whose sum is σ = 3470681760. Its totient is φ = 972551232.

The previous prime is 2127855749. The next prime is 2127855791. The reversal of 2127855782 is 2875587212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394607 + ... + 399962.

It is an arithmetic number, because the mean of its divisors is an integer number (216917610).

Almost surely, 2^2127855782 is an apocalyptic number.

2127855782 is a deficient number, since it is larger than the sum of its proper divisors (1342825978).

2127855782 is a wasteful number, since it uses less digits than its factorization.

2127855782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794687.

The product of its digits is 627200, while the sum is 47.

The square root of 2127855782 is about 46128.6871913780. The cubic root of 2127855782 is about 1286.2164606401.

The spelling of 2127855782 in words is "two billion, one hundred twenty-seven million, eight hundred fifty-five thousand, seven hundred eighty-two".