478651368503 has 8 divisors (see below), whose sum is σ = 596760147840. Its totient is φ = 372975092280.

The previous prime is 478651368397. The next prime is 478651368521. The reversal of 478651368503 is 305863156874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478651368503 - 2¹⁰ = 478651367479 is a prime.

It is a super-2 number, since 2×478651368503² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478651368803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108125693 + ... + 3108125846.

It is an arithmetic number, because the mean of its divisors is an integer number (74595018480).

Almost surely, 2^478651368503 is an apocalyptic number.

478651368503 is a deficient number, since it is larger than the sum of its proper divisors (118108779337).

478651368503 is a wasteful number, since it uses less digits than its factorization.

478651368503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216251557.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 478651368503 in words is "four hundred seventy-eight billion, six hundred fifty-one million, three hundred sixty-eight thousand, five hundred three".