478240218348683 has 8 divisors (see below), whose sum is σ = 547367576355552. Its totient is φ = 409314692045376.

The previous prime is 478240218348679. The next prime is 478240218348727. The reversal of 478240218348683 is 386843812042874.

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 478240218348683 - 2² = 478240218348679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478240218378683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50457920810 + ... + 50457930287.

It is an arithmetic number, because the mean of its divisors is an integer number (68420947044444).

Almost surely, 2^{478240218348683} is an apocalyptic number.

478240218348683 is a deficient number, since it is larger than the sum of its proper divisors (69127358006869).

478240218348683 is a wasteful number, since it uses less digits than its factorization.

478240218348683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100915851781.

The product of its (nonzero) digits is 396361728, while the sum is 68.

The spelling of 478240218348683 in words is "four hundred seventy-eight trillion, two hundred forty billion, two hundred eighteen million, three hundred forty-eight thousand, six hundred eighty-three".