3968645927 has 2 divisors, whose sum is σ = 3968645928. Its totient is φ = 3968645926.

The previous prime is 3968645921. The next prime is 3968645939. The reversal of 3968645927 is 7295468693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3968645927 - 2¹⁰ = 3968644903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3968645921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984322963 + 1984322964.

It is an arithmetic number, because the mean of its divisors is an integer number (1984322964).

Almost surely, 2^3968645927 is an apocalyptic number.

3968645927 is a deficient number, since it is larger than the sum of its proper divisors (1).

3968645927 is an equidigital number, since it uses as much as digits as its factorization.

3968645927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The square root of 3968645927 is about 62997.1898341505. The cubic root of 3968645927 is about 1583.2425434134.

The spelling of 3968645927 in words is "three billion, nine hundred sixty-eight million, six hundred forty-five thousand, nine hundred twenty-seven".