2078680339 has 2 divisors, whose sum is σ = 2078680340. Its totient is φ = 2078680338.

The previous prime is 2078680337. The next prime is 2078680379. The reversal of 2078680339 is 9330868702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2078680339 - 2¹ = 2078680337 is a prime.

Together with 2078680337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2078680337) 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 as a sum of consecutive naturals, namely, 1039340169 + 1039340170.

It is an arithmetic number, because the mean of its divisors is an integer number (1039340170).

Almost surely, 2^2078680339 is an apocalyptic number.

2078680339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078680339 is an equidigital number, since it uses as much as digits as its factorization.

2078680339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2078680339 is about 45592.5469676788. The cubic root of 2078680339 is about 1276.2308429800.

The spelling of 2078680339 in words is "two billion, seventy-eight million, six hundred eighty thousand, three hundred thirty-nine".