478120683 has 8 divisors (see below), whose sum is σ = 637930048. Its totient is φ = 318529224.

The previous prime is 478120679. The next prime is 478120691. The reversal of 478120683 is 386021874.

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

It is not a de Polignac number, because 478120683 - 2² = 478120679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478120633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49285 + ... + 58182.

It is an arithmetic number, because the mean of its divisors is an integer number (79741256).

Almost surely, 2^478120683 is an apocalyptic number.

478120683 is a deficient number, since it is larger than the sum of its proper divisors (159809365).

478120683 is a wasteful number, since it uses less digits than its factorization.

478120683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108953.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 478120683 is about 21865.9708908614. The cubic root of 478120683 is about 781.9503476650.

The spelling of 478120683 in words is "four hundred seventy-eight million, one hundred twenty thousand, six hundred eighty-three".