3996780707 has 2 divisors, whose sum is σ = 3996780708. Its totient is φ = 3996780706.

The previous prime is 3996780677. The next prime is 3996780713. The reversal of 3996780707 is 7070876993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3996780707 - 2⁶ = 3996780643 is a prime.

It is not a weakly prime, because it can be changed into another prime (3996780757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998390353 + 1998390354.

It is an arithmetic number, because the mean of its divisors is an integer number (1998390354).

Almost surely, 2^3996780707 is an apocalyptic number.

3996780707 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996780707 is an equidigital number, since it uses as much as digits as its factorization.

3996780707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 56.

The square root of 3996780707 is about 63220.0973346293. The cubic root of 3996780707 is about 1586.9750785788.

The spelling of 3996780707 in words is "three billion, nine hundred ninety-six million, seven hundred eighty thousand, seven hundred seven".