78563378183 has 2 divisors, whose sum is σ = 78563378184. Its totient is φ = 78563378182.

The previous prime is 78563378167. The next prime is 78563378189. The reversal of 78563378183 is 38187336587.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78563378183 - 2⁴ = 78563378167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78563378189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39281689091 + 39281689092.

It is an arithmetic number, because the mean of its divisors is an integer number (39281689092).

Almost surely, 2^78563378183 is an apocalyptic number.

78563378183 is a deficient number, since it is larger than the sum of its proper divisors (1).

78563378183 is an equidigital number, since it uses as much as digits as its factorization.

78563378183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 59.

The spelling of 78563378183 in words is "seventy-eight billion, five hundred sixty-three million, three hundred seventy-eight thousand, one hundred eighty-three".