478743482657 has 8 divisors (see below), whose sum is σ = 549753281760. Its totient is φ = 412314960960.

The previous prime is 478743482653. The next prime is 478743482671. The reversal of 478743482657 is 756284347874.

It is a happy number.

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 478743482657 - 2² = 478743482653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478743482593 and 478743482602.

It is not an unprimeable number, because it can be changed into a prime (478743482653) 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, 1145319128 + ... + 1145319545.

It is an arithmetic number, because the mean of its divisors is an integer number (68719160220).

Almost surely, 2^478743482657 is an apocalyptic number.

It is an amenable number.

478743482657 is a deficient number, since it is larger than the sum of its proper divisors (71009799103).

478743482657 is a wasteful number, since it uses less digits than its factorization.

478743482657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290638703.

The product of its digits is 252887040, while the sum is 65.

The spelling of 478743482657 in words is "four hundred seventy-eight billion, seven hundred forty-three million, four hundred eighty-two thousand, six hundred fifty-seven".