78003112303 has 4 divisors (see below), whose sum is σ = 78012067360. Its totient is φ = 77994157248.

The previous prime is 78003112267. The next prime is 78003112321. The reversal of 78003112303 is 30321130087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78003112303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78003112393) 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 3 ways as a sum of consecutive naturals, for example, 4464450 + ... + 4481887.

It is an arithmetic number, because the mean of its divisors is an integer number (19503016840).

Almost surely, 2^78003112303 is an apocalyptic number.

78003112303 is a deficient number, since it is larger than the sum of its proper divisors (8955057).

78003112303 is an equidigital number, since it uses as much as digits as its factorization.

78003112303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955056.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 78003112303 in words is "seventy-eight billion, three million, one hundred twelve thousand, three hundred three".