78616163 has 2 divisors, whose sum is σ = 78616164. Its totient is φ = 78616162.

The previous prime is 78616159. The next prime is 78616207. The reversal of 78616163 is 36161687.

It is a weak prime.

It is an emirp because it is prime and its reverse (36161687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78616163 - 2² = 78616159 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78616123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39308081 + 39308082.

It is an arithmetic number, because the mean of its divisors is an integer number (39308082).

Almost surely, 2^78616163 is an apocalyptic number.

78616163 is a deficient number, since it is larger than the sum of its proper divisors (1).

78616163 is an equidigital number, since it uses as much as digits as its factorization.

78616163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 78616163 is about 8866.5756073018. The cubic root of 78616163 is about 428.3879845011.

The spelling of 78616163 in words is "seventy-eight million, six hundred sixteen thousand, one hundred sixty-three".