478126403347143 has 4 divisors (see below), whose sum is σ = 637501871129528. Its totient is φ = 318750935564760.

The previous prime is 478126403347139. The next prime is 478126403347183. The reversal of 478126403347143 is 341743304621874.

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

It is not a de Polignac number, because 478126403347143 - 2² = 478126403347139 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 (478126403347123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79687733891188 + ... + 79687733891193.

It is an arithmetic number, because the mean of its divisors is an integer number (159375467782382).

Almost surely, 2^{478126403347143} is an apocalyptic number.

478126403347143 is a deficient number, since it is larger than the sum of its proper divisors (159375467782385).

478126403347143 is a wasteful number, since it uses less digits than its factorization.

478126403347143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159375467782384.

The product of its (nonzero) digits is 32514048, while the sum is 57.

The spelling of 478126403347143 in words is "four hundred seventy-eight trillion, one hundred twenty-six billion, four hundred three million, three hundred forty-seven thousand, one hundred forty-three".