479137847 has 2 divisors, whose sum is σ = 479137848. Its totient is φ = 479137846.

The previous prime is 479137831. The next prime is 479137873. The reversal of 479137847 is 748731974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479137847 - 2⁴ = 479137831 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 479137795 and 479137804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479137807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239568923 + 239568924.

It is an arithmetic number, because the mean of its divisors is an integer number (239568924).

Almost surely, 2^479137847 is an apocalyptic number.

479137847 is a deficient number, since it is larger than the sum of its proper divisors (1).

479137847 is an equidigital number, since it uses as much as digits as its factorization.

479137847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The square root of 479137847 is about 21889.2175967987. The cubic root of 479137847 is about 782.5044674421.

The spelling of 479137847 in words is "four hundred seventy-nine million, one hundred thirty-seven thousand, eight hundred forty-seven".