2006377717 has 2 divisors, whose sum is σ = 2006377718. Its totient is φ = 2006377716.

The previous prime is 2006377663. The next prime is 2006377733. The reversal of 2006377717 is 7177736002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1663905681 + 342472036 = 40791^2 + 18506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006377717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006377717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006374717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003188858 + 1003188859.

It is an arithmetic number, because the mean of its divisors is an integer number (1003188859).

Almost surely, 2^2006377717 is an apocalyptic number.

It is an amenable number.

2006377717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006377717 is an equidigital number, since it uses as much as digits as its factorization.

2006377717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86436, while the sum is 40.

The square root of 2006377717 is about 44792.6078387941. The cubic root of 2006377717 is about 1261.2588655158.

The spelling of 2006377717 in words is "two billion, six million, three hundred seventy-seven thousand, seven hundred seventeen".