3820855663 has 2 divisors, whose sum is σ = 3820855664. Its totient is φ = 3820855662.

The previous prime is 3820855627. The next prime is 3820855667. The reversal of 3820855663 is 3665580283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3820855663 - 2¹⁷ = 3820724591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3820855667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910427831 + 1910427832.

It is an arithmetic number, because the mean of its divisors is an integer number (1910427832).

Almost surely, 2^3820855663 is an apocalyptic number.

3820855663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3820855663 is an equidigital number, since it uses as much as digits as its factorization.

3820855663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 3820855663 is about 61813.0703249725. The cubic root of 3820855663 is about 1563.3403744539.

The spelling of 3820855663 in words is "three billion, eight hundred twenty million, eight hundred fifty-five thousand, six hundred sixty-three".