479023147 has 2 divisors, whose sum is σ = 479023148. Its totient is φ = 479023146.

The previous prime is 479023141. The next prime is 479023157. The reversal of 479023147 is 741320974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479023147 - 2¹⁹ = 478498859 is a prime.

It is not a weakly prime, because it can be changed into another prime (479023141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239511573 + 239511574.

It is an arithmetic number, because the mean of its divisors is an integer number (239511574).

Almost surely, 2^479023147 is an apocalyptic number.

479023147 is a deficient number, since it is larger than the sum of its proper divisors (1).

479023147 is an equidigital number, since it uses as much as digits as its factorization.

479023147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 479023147 is about 21886.5974285634. The cubic root of 479023147 is about 782.4420216513.

The spelling of 479023147 in words is "four hundred seventy-nine million, twenty-three thousand, one hundred forty-seven".