7842788450103 has 4 divisors (see below), whose sum is σ = 10457051266808. Its totient is φ = 5228525633400.

The previous prime is 7842788450089. The next prime is 7842788450111. The reversal of 7842788450103 is 3010548872487.

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

It is not a de Polignac number, because 7842788450103 - 2⁶ = 7842788450039 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 (7842788450153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307131408348 + ... + 1307131408353.

It is an arithmetic number, because the mean of its divisors is an integer number (2614262816702).

Almost surely, 2^{7842788450103} is an apocalyptic number.

7842788450103 is a deficient number, since it is larger than the sum of its proper divisors (2614262816705).

7842788450103 is a wasteful number, since it uses less digits than its factorization.

7842788450103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614262816704.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 7842788450103 in words is "seven trillion, eight hundred forty-two billion, seven hundred eighty-eight million, four hundred fifty thousand, one hundred three".