78444397343 has 8 divisors (see below), whose sum is σ = 85496397168. Its totient is φ = 71537799744.

The previous prime is 78444397331. The next prime is 78444397393. The reversal of 78444397343 is 34379344487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78444397343 - 2⁶ = 78444397279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78444397313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36349430 + ... + 36351587.

It is an arithmetic number, because the mean of its divisors is an integer number (10687049646).

Almost surely, 2^78444397343 is an apocalyptic number.

78444397343 is a deficient number, since it is larger than the sum of its proper divisors (7051999825).

78444397343 is a wasteful number, since it uses less digits than its factorization.

78444397343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72701113.

The product of its digits is 24385536, while the sum is 56.

The spelling of 78444397343 in words is "seventy-eight billion, four hundred forty-four million, three hundred ninety-seven thousand, three hundred forty-three".