5478173220339 has 16 divisors (see below), whose sum is σ = 8116104985600. Its totient is φ = 3651983716968.

The previous prime is 5478173220329. The next prime is 5478173220361. The reversal of 5478173220339 is 9330223718745.

It is a happy number.

5478173220339 is a `hidden beast` number, since 5 + 4 + 7 + 81 + 7 + 3 + 220 + 339 = 666.

It is not a de Polignac number, because 5478173220339 - 2⁸ = 5478173220083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5478173220329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2894959 + ... + 4397400.

It is an arithmetic number, because the mean of its divisors is an integer number (507256561600).

Almost surely, 2^{5478173220339} is an apocalyptic number.

5478173220339 is a deficient number, since it is larger than the sum of its proper divisors (2637931765261).

5478173220339 is a wasteful number, since it uses less digits than its factorization.

5478173220339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320191 (or 7320185 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 5478173220339 in words is "five trillion, four hundred seventy-eight billion, one hundred seventy-three million, two hundred twenty thousand, three hundred thirty-nine".