4478078708743 has 4 divisors (see below), whose sum is σ = 4534763249440. Its totient is φ = 4421394168048.

The previous prime is 4478078708737. The next prime is 4478078708813. The reversal of 4478078708743 is 3478078708744.

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

It is a cyclic number.

It is not a de Polignac number, because 4478078708743 - 2²⁹ = 4477541837831 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 (4478078738743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28342270230 + ... + 28342270387.

It is an arithmetic number, because the mean of its divisors is an integer number (1133690812360).

Almost surely, 2^{4478078708743} is an apocalyptic number.

4478078708743 is a deficient number, since it is larger than the sum of its proper divisors (56684540697).

4478078708743 is an equidigital number, since it uses as much as digits as its factorization.

4478078708743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56684540696.

The product of its (nonzero) digits is 236027904, while the sum is 67.

Subtracting from 4478078708743 its reverse (3478078708744), we obtain a palindrome (999999999999).

The spelling of 4478078708743 in words is "four trillion, four hundred seventy-eight billion, seventy-eight million, seven hundred eight thousand, seven hundred forty-three".