2780068046 has 32 divisors (see below), whose sum is σ = 4861498368. Its totient is φ = 1167683040.

The previous prime is 2780068043. The next prime is 2780068061. The reversal of 2780068046 is 6408600872.

It is a junction number, because it is equal to n+sod(n) for n = 2780067994 and 2780068012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780068043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235931 + ... + 247433.

It is an arithmetic number, because the mean of its divisors is an integer number (151921824).

Almost surely, 2^2780068046 is an apocalyptic number.

2780068046 is a deficient number, since it is larger than the sum of its proper divisors (2081430322).

2780068046 is a wasteful number, since it uses less digits than its factorization.

2780068046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 2780068046 is about 52726.3505848831. The cubic root of 2780068046 is about 1406.1073401131.

The spelling of 2780068046 in words is "two billion, seven hundred eighty million, sixty-eight thousand, forty-six".