3996400027 has 2 divisors, whose sum is σ = 3996400028. Its totient is φ = 3996400026.

The previous prime is 3996399991. The next prime is 3996400033. The reversal of 3996400027 is 7200046993.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3996400027 is a prime.

It is not a weakly prime, because it can be changed into another prime (3996400087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998200013 + 1998200014.

It is an arithmetic number, because the mean of its divisors is an integer number (1998200014).

Almost surely, 2^3996400027 is an apocalyptic number.

3996400027 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996400027 is an equidigital number, since it uses as much as digits as its factorization.

3996400027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 3996400027 is about 63217.0865114804. The cubic root of 3996400027 is about 1586.9246922888.

The spelling of 3996400027 in words is "three billion, nine hundred ninety-six million, four hundred thousand, twenty-seven".