78101859307 has 2 divisors, whose sum is σ = 78101859308. Its totient is φ = 78101859306.

The previous prime is 78101859281. The next prime is 78101859313. The reversal of 78101859307 is 70395810187.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78101859307 is a prime.

It is not a weakly prime, because it can be changed into another prime (78101859347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39050929653 + 39050929654.

It is an arithmetic number, because the mean of its divisors is an integer number (39050929654).

Almost surely, 2^78101859307 is an apocalyptic number.

78101859307 is a deficient number, since it is larger than the sum of its proper divisors (1).

78101859307 is an equidigital number, since it uses as much as digits as its factorization.

78101859307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 78101859307 in words is "seventy-eight billion, one hundred one million, eight hundred fifty-nine thousand, three hundred seven".