2006127997 has 2 divisors, whose sum is σ = 2006127998. Its totient is φ = 2006127996.

The previous prime is 2006127973. The next prime is 2006128009. The reversal of 2006127997 is 7997216002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1620948121 + 385179876 = 40261^2 + 19626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2006127997 - 2¹⁹ = 2005603709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006127917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003063998 + 1003063999.

It is an arithmetic number, because the mean of its divisors is an integer number (1003063999).

Almost surely, 2^2006127997 is an apocalyptic number.

It is an amenable number.

2006127997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006127997 is an equidigital number, since it uses as much as digits as its factorization.

2006127997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 2006127997 is about 44789.8202385319. The cubic root of 2006127997 is about 1261.2065366133.

The spelling of 2006127997 in words is "two billion, six million, one hundred twenty-seven thousand, nine hundred ninety-seven".