556967947 has 2 divisors, whose sum is σ = 556967948. Its totient is φ = 556967946.

The previous prime is 556967941. The next prime is 556967959. The reversal of 556967947 is 749769655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556967947 - 2¹⁹ = 556443659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556967891 and 556967900.

It is not a weakly prime, because it can be changed into another prime (556967941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278483973 + 278483974.

It is an arithmetic number, because the mean of its divisors is an integer number (278483974).

Almost surely, 2^556967947 is an apocalyptic number.

556967947 is a deficient number, since it is larger than the sum of its proper divisors (1).

556967947 is an equidigital number, since it uses as much as digits as its factorization.

556967947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 58.

The square root of 556967947 is about 23600.1683680435. The cubic root of 556967947 is about 822.7667532760.

The spelling of 556967947 in words is "five hundred fifty-six million, nine hundred sixty-seven thousand, nine hundred forty-seven".