479142887 has 2 divisors, whose sum is σ = 479142888. Its totient is φ = 479142886.

The previous prime is 479142857. The next prime is 479142947. The reversal of 479142887 is 788241974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479142887 - 2¹⁶ = 479077351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479142827) 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, 239571443 + 239571444.

It is an arithmetic number, because the mean of its divisors is an integer number (239571444).

Almost surely, 2^479142887 is an apocalyptic number.

479142887 is a deficient number, since it is larger than the sum of its proper divisors (1).

479142887 is an equidigital number, since it uses as much as digits as its factorization.

479142887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 50.

The square root of 479142887 is about 21889.3327216706. The cubic root of 479142887 is about 782.5072111262.

The spelling of 479142887 in words is "four hundred seventy-nine million, one hundred forty-two thousand, eight hundred eighty-seven".