3906127997 has 2 divisors, whose sum is σ = 3906127998. Its totient is φ = 3906127996.

The previous prime is 3906127993. The next prime is 3906128003. The reversal of 3906127997 is 7997216093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2539051321 + 1367076676 = 50389^2 + 36974^2 .

It is an emirp because it is prime and its reverse (7997216093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3906127997 - 2² = 3906127993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3906127993) 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, 1953063998 + 1953063999.

It is an arithmetic number, because the mean of its divisors is an integer number (1953063999).

Almost surely, 2^3906127997 is an apocalyptic number.

It is an amenable number.

3906127997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3906127997 is an equidigital number, since it uses as much as digits as its factorization.

3906127997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 3906127997 is about 62499.0239683789. The cubic root of 3906127997 is about 1574.8849160221.

The spelling of 3906127997 in words is "three billion, nine hundred six million, one hundred twenty-seven thousand, nine hundred ninety-seven".