556974871 has 2 divisors, whose sum is σ = 556974872. Its totient is φ = 556974870.

The previous prime is 556974833. The next prime is 556974917. The reversal of 556974871 is 178479655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556974871 - 2¹³ = 556966679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556974811) 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, 278487435 + 278487436.

It is an arithmetic number, because the mean of its divisors is an integer number (278487436).

Almost surely, 2^556974871 is an apocalyptic number.

556974871 is a deficient number, since it is larger than the sum of its proper divisors (1).

556974871 is an equidigital number, since it uses as much as digits as its factorization.

556974871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The square root of 556974871 is about 23600.3150614563. The cubic root of 556974871 is about 822.7701626963.

The spelling of 556974871 in words is "five hundred fifty-six million, nine hundred seventy-four thousand, eight hundred seventy-one".