2782171234 has 16 divisors (see below), whose sum is σ = 4185941760. Its totient is φ = 1386864720.

The previous prime is 2782171207. The next prime is 2782171277. The reversal of 2782171234 is 4321712872.

It is a junction number, because it is equal to n+sod(n) for n = 2782171193 and 2782171202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1642492 + ... + 1644184.

It is an arithmetic number, because the mean of its divisors is an integer number (261621360).

Almost surely, 2^2782171234 is an apocalyptic number.

2782171234 is a deficient number, since it is larger than the sum of its proper divisors (1403770526).

2782171234 is a wasteful number, since it uses less digits than its factorization.

2782171234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705.

The product of its digits is 37632, while the sum is 37.

The square root of 2782171234 is about 52746.2911871536. The cubic root of 2782171234 is about 1406.4618353497.

The spelling of 2782171234 in words is "two billion, seven hundred eighty-two million, one hundred seventy-one thousand, two hundred thirty-four".