478303463717 has 8 divisors (see below), whose sum is σ = 491255909496. Its totient is φ = 465352350912.

The previous prime is 478303463663. The next prime is 478303463741. The reversal of 478303463717 is 717364303874.

It can be written as a sum of positive squares in 4 ways, for example, as 398414702401 + 79888761316 = 631201^2 + 282646^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 478303463717 - 2¹⁸ = 478303201573 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 (478303363717) 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, 416663 + ... + 1063115.

It is an arithmetic number, because the mean of its divisors is an integer number (61406988687).

Almost surely, 2^478303463717 is an apocalyptic number.

It is an amenable number.

478303463717 is a deficient number, since it is larger than the sum of its proper divisors (12952445779).

478303463717 is a wasteful number, since it uses less digits than its factorization.

478303463717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666487.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 478303463717 in words is "four hundred seventy-eight billion, three hundred three million, four hundred sixty-three thousand, seven hundred seventeen".