478221261245 has 96 divisors (see below), whose sum is σ = 726792797952. Its totient is φ = 295667214336.

The previous prime is 478221261211. The next prime is 478221261253. The reversal of 478221261245 is 542162122874.

It is not a de Polignac number, because 478221261245 - 2²⁶ = 478154152381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478221261196 and 478221261205.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 73041062 + ... + 73047608.

It is an arithmetic number, because the mean of its divisors is an integer number (7570758312).

Almost surely, 2^478221261245 is an apocalyptic number.

It is an amenable number.

478221261245 is a deficient number, since it is larger than the sum of its proper divisors (248571536707).

478221261245 is a wasteful number, since it uses less digits than its factorization.

478221261245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871 (or 6858 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The spelling of 478221261245 in words is "four hundred seventy-eight billion, two hundred twenty-one million, two hundred sixty-one thousand, two hundred forty-five".