478749683 has 4 divisors (see below), whose sum is σ = 480570288. Its totient is φ = 476929080.

The previous prime is 478749679. The next prime is 478749701. The reversal of 478749683 is 386947874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386947874 = 2 ⋅193473937.

It is a cyclic number.

It is not a de Polignac number, because 478749683 - 2² = 478749679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478749613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909908 + ... + 910433.

It is an arithmetic number, because the mean of its divisors is an integer number (120142572).

Almost surely, 2^478749683 is an apocalyptic number.

478749683 is a deficient number, since it is larger than the sum of its proper divisors (1820605).

478749683 is a wasteful number, since it uses less digits than its factorization.

478749683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820604.

The product of its digits is 8128512, while the sum is 56.

The square root of 478749683 is about 21880.3492430994. The cubic root of 478749683 is about 782.2931002083.

The spelling of 478749683 in words is "four hundred seventy-eight million, seven hundred forty-nine thousand, six hundred eighty-three".