78663000211 has 2 divisors, whose sum is σ = 78663000212. Its totient is φ = 78663000210.

The previous prime is 78663000193. The next prime is 78663000223. The reversal of 78663000211 is 11200036687.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78663000211 - 2¹⁷ = 78662869139 is a prime.

It is not a weakly prime, because it can be changed into another prime (78663001211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39331500105 + 39331500106.

It is an arithmetic number, because the mean of its divisors is an integer number (39331500106).

Almost surely, 2^78663000211 is an apocalyptic number.

78663000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

78663000211 is an equidigital number, since it uses as much as digits as its factorization.

78663000211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 78663000211 its reverse (11200036687), we get a palindrome (89863036898).

The spelling of 78663000211 in words is "seventy-eight billion, six hundred sixty-three million, two hundred eleven", and thus it is an aban number.