478393783 has 8 divisors (see below), whose sum is σ = 547326752. Its totient is φ = 409608576.

The previous prime is 478393739. The next prime is 478393793. The reversal of 478393783 is 387393874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478393783 is a prime.

It is a super-2 number, since 2×478393783² = 457721223226102178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478393783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478393703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29910 + ... + 43027.

It is an arithmetic number, because the mean of its divisors is an integer number (68415844).

Almost surely, 2^478393783 is an apocalyptic number.

478393783 is a deficient number, since it is larger than the sum of its proper divisors (68932969).

478393783 is an equidigital number, since it uses as much as digits as its factorization.

478393783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73881.

The product of its digits is 3048192, while the sum is 52.

The square root of 478393783 is about 21872.2148626974. The cubic root of 478393783 is about 782.0992012918.

Subtracting from 478393783 its reverse (387393874), we obtain a palindrome (90999909).

The spelling of 478393783 in words is "four hundred seventy-eight million, three hundred ninety-three thousand, seven hundred eighty-three".