78045030789 has 8 divisors (see below), whose sum is σ = 113520044832. Its totient is φ = 47300018640.

The previous prime is 78045030779. The next prime is 78045030827. The reversal of 78045030789 is 98703054087.

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

It is not a de Polignac number, because 78045030789 - 2¹¹ = 78045028741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78045030779) 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, 1182500434 + ... + 1182500499.

It is an arithmetic number, because the mean of its divisors is an integer number (14190005604).

Almost surely, 2^78045030789 is an apocalyptic number.

It is an amenable number.

78045030789 is a deficient number, since it is larger than the sum of its proper divisors (35475014043).

78045030789 is a wasteful number, since it uses less digits than its factorization.

78045030789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365000947.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 78045030789 in words is "seventy-eight billion, forty-five million, thirty thousand, seven hundred eighty-nine".