79203203322403 has 4 divisors (see below), whose sum is σ = 79203377649520. Its totient is φ = 79203028995288.

The previous prime is 79203203322389. The next prime is 79203203322427. The reversal of 79203203322403 is 30422330230297.

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-79203203322403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79203203322443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86480268 + ... + 87391321.

It is an arithmetic number, because the mean of its divisors is an integer number (19800844412380).

Almost surely, 2^{79203203322403} is an apocalyptic number.

79203203322403 is a deficient number, since it is larger than the sum of its proper divisors (174327117).

79203203322403 is a wasteful number, since it uses less digits than its factorization.

79203203322403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174327116.

The product of its (nonzero) digits is 326592, while the sum is 40.

The spelling of 79203203322403 in words is "seventy-nine trillion, two hundred three billion, two hundred three million, three hundred twenty-two thousand, four hundred three".