3996765727 has 2 divisors, whose sum is σ = 3996765728. Its totient is φ = 3996765726.

The previous prime is 3996765629. The next prime is 3996765791. The reversal of 3996765727 is 7275676993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3996765727 - 2⁷ = 3996765599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3996865727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998382863 + 1998382864.

It is an arithmetic number, because the mean of its divisors is an integer number (1998382864).

Almost surely, 2^3996765727 is an apocalyptic number.

3996765727 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996765727 is an equidigital number, since it uses as much as digits as its factorization.

3996765727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30005640, while the sum is 61.

The square root of 3996765727 is about 63219.9788595346. The cubic root of 3996765727 is about 1586.9730959067.

It can be divided in two parts, 39967657 and 27, that added together give a square (39967684 = 6322²).

The spelling of 3996765727 in words is "three billion, nine hundred ninety-six million, seven hundred sixty-five thousand, seven hundred twenty-seven".