479142857 has 2 divisors, whose sum is σ = 479142858. Its totient is φ = 479142856.

The previous prime is 479142827. The next prime is 479142887. The reversal of 479142857 is 758241974.

It is a balanced prime because it is at equal distance from previous prime (479142827) and next prime (479142887).

It can be written as a sum of positive squares in only one way, i.e., 377758096 + 101384761 = 19436^2 + 10069^2 .

It is a cyclic number.

It is not a de Polignac number, because 479142857 - 2⁶ = 479142793 is a prime.

479142857 is a modest number, since divided by 142857 gives 479 as remainder.

It is not a weakly prime, because it can be changed into another prime (479142827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239571428 + 239571429.

It is an arithmetic number, because the mean of its divisors is an integer number (239571429).

Almost surely, 2^479142857 is an apocalyptic number.

It is an amenable number.

479142857 is a deficient number, since it is larger than the sum of its proper divisors (1).

479142857 is an equidigital number, since it uses as much as digits as its factorization.

479142857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The square root of 479142857 is about 21889.3320364053. The cubic root of 479142857 is about 782.5071947948.

The spelling of 479142857 in words is "four hundred seventy-nine million, one hundred forty-two thousand, eight hundred fifty-seven".