2005839377 has 2 divisors, whose sum is σ = 2005839378. Its totient is φ = 2005839376.

The previous prime is 2005839371. The next prime is 2005839413. The reversal of 2005839377 is 7739385002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1405050256 + 600789121 = 37484^2 + 24511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005839377 - 2²² = 2001645073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005839371) 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, 1002919688 + 1002919689.

It is an arithmetic number, because the mean of its divisors is an integer number (1002919689).

Almost surely, 2^2005839377 is an apocalyptic number.

It is an amenable number.

2005839377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005839377 is an equidigital number, since it uses as much as digits as its factorization.

2005839377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 2005839377 is about 44786.5981851714. The cubic root of 2005839377 is about 1261.1460507937.

The spelling of 2005839377 in words is "two billion, five million, eight hundred thirty-nine thousand, three hundred seventy-seven".