78743457195 has 16 divisors (see below), whose sum is σ = 135681034272. Its totient is φ = 38766009600.

The previous prime is 78743457193. The next prime is 78743457197. The reversal of 78743457195 is 59175434787.

It is an interprime number because it is at equal distance from previous prime (78743457193) and next prime (78743457197).

It is not a de Polignac number, because 78743457195 - 2¹ = 78743457193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78743457193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201906106 + ... + 201906495.

It is an arithmetic number, because the mean of its divisors is an integer number (8480064642).

Almost surely, 2^78743457195 is an apocalyptic number.

78743457195 is a deficient number, since it is larger than the sum of its proper divisors (56937577077).

78743457195 is a wasteful number, since it uses less digits than its factorization.

78743457195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403812622.

The product of its digits is 29635200, while the sum is 60.

The spelling of 78743457195 in words is "seventy-eight billion, seven hundred forty-three million, four hundred fifty-seven thousand, one hundred ninety-five".