3997935377 has 2 divisors, whose sum is σ = 3997935378. Its totient is φ = 3997935376.

The previous prime is 3997935353. The next prime is 3997935439. The reversal of 3997935377 is 7735397993.

It is an a-pointer prime, because the next prime (3997935439) can be obtained adding 3997935377 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3923268496 + 74666881 = 62636^2 + 8641^2 .

It is an emirp because it is prime and its reverse (7735397993) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997935377 is a prime.

It is not a weakly prime, because it can be changed into another prime (3997935307) 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, 1998967688 + 1998967689.

It is an arithmetic number, because the mean of its divisors is an integer number (1998967689).

Almost surely, 2^3997935377 is an apocalyptic number.

It is an amenable number.

3997935377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3997935377 is an equidigital number, since it uses as much as digits as its factorization.

3997935377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33756345, while the sum is 62.

The square root of 3997935377 is about 63229.2288186405. The cubic root of 3997935377 is about 1587.1278895712.

The spelling of 3997935377 in words is "three billion, nine hundred ninety-seven million, nine hundred thirty-five thousand, three hundred seventy-seven".