478103239 has 2 divisors, whose sum is σ = 478103240. Its totient is φ = 478103238.

The previous prime is 478103221. The next prime is 478103243. The reversal of 478103239 is 932301874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478103239 - 2⁹ = 478102727 is a prime.

It is a super-2 number, since 2×478103239² = 457165414284582242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478103198 and 478103207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478100239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239051619 + 239051620.

It is an arithmetic number, because the mean of its divisors is an integer number (239051620).

Almost surely, 2^478103239 is an apocalyptic number.

478103239 is a deficient number, since it is larger than the sum of its proper divisors (1).

478103239 is an equidigital number, since it uses as much as digits as its factorization.

478103239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 478103239 is about 21865.5720025798. The cubic root of 478103239 is about 781.9408378569.

The spelling of 478103239 in words is "four hundred seventy-eight million, one hundred three thousand, two hundred thirty-nine".