478005497 has 8 divisors (see below), whose sum is σ = 483100800. Its totient is φ = 472936464.

The previous prime is 478005413. The next prime is 478005499. The reversal of 478005497 is 794500874.

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 478005497 - 2¹⁰ = 478004473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478005499) 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, 31154 + ... + 43892.

It is an arithmetic number, because the mean of its divisors is an integer number (60387600).

Almost surely, 2^478005497 is an apocalyptic number.

It is an amenable number.

478005497 is a deficient number, since it is larger than the sum of its proper divisors (5095303).

478005497 is a wasteful number, since it uses less digits than its factorization.

478005497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13135.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 478005497 is about 21863.3368221779. The cubic root of 478005497 is about 781.8875483412.

The spelling of 478005497 in words is "four hundred seventy-eight million, five thousand, four hundred ninety-seven".