159407947 has 2 divisors, whose sum is σ = 159407948. Its totient is φ = 159407946.

The previous prime is 159407939. The next prime is 159407953. The reversal of 159407947 is 749704951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159407947 - 2³ = 159407939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159407897 and 159407906.

It is not a weakly prime, because it can be changed into another prime (159407977) 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, 79703973 + 79703974.

It is an arithmetic number, because the mean of its divisors is an integer number (79703974).

Almost surely, 2^159407947 is an apocalyptic number.

159407947 is a deficient number, since it is larger than the sum of its proper divisors (1).

159407947 is an equidigital number, since it uses as much as digits as its factorization.

159407947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 159407947 is about 12625.6860011645. The cubic root of 159407947 is about 542.2130793940.

The spelling of 159407947 in words is "one hundred fifty-nine million, four hundred seven thousand, nine hundred forty-seven".