200808680663 has 2 divisors, whose sum is σ = 200808680664. Its totient is φ = 200808680662.

The previous prime is 200808680603. The next prime is 200808680693. The reversal of 200808680663 is 366086808002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200808680663 - 2⁶ = 200808680599 is a prime.

It is a super-2 number, since 2×200808680663² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200808680603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100404340331 + 100404340332.

It is an arithmetic number, because the mean of its divisors is an integer number (100404340332).

Almost surely, 2^200808680663 is an apocalyptic number.

200808680663 is a deficient number, since it is larger than the sum of its proper divisors (1).

200808680663 is an equidigital number, since it uses as much as digits as its factorization.

200808680663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 200808680663 in words is "two hundred billion, eight hundred eight million, six hundred eighty thousand, six hundred sixty-three".