479049187 has 2 divisors, whose sum is σ = 479049188. Its totient is φ = 479049186.

The previous prime is 479049157. The next prime is 479049199. The reversal of 479049187 is 781940974.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479049187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479049187.

It is not a weakly prime, because it can be changed into another prime (479049157) 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 as a sum of consecutive naturals, namely, 239524593 + 239524594.

It is an arithmetic number, because the mean of its divisors is an integer number (239524594).

Almost surely, 2^479049187 is an apocalyptic number.

479049187 is a deficient number, since it is larger than the sum of its proper divisors (1).

479049187 is an equidigital number, since it uses as much as digits as its factorization.

479049187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 479049187 is about 21887.1923050902. The cubic root of 479049187 is about 782.4561994081.

The spelling of 479049187 in words is "four hundred seventy-nine million, forty-nine thousand, one hundred eighty-seven".