557196859 has 2 divisors, whose sum is σ = 557196860. Its totient is φ = 557196858.

The previous prime is 557196823. The next prime is 557196911. The reversal of 557196859 is 958691755.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557196859 is a prime.

It is a super-3 number, since 3×557196859³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (557190859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278598429 + 278598430.

It is an arithmetic number, because the mean of its divisors is an integer number (278598430).

Almost surely, 2^557196859 is an apocalyptic number.

557196859 is a deficient number, since it is larger than the sum of its proper divisors (1).

557196859 is an equidigital number, since it uses as much as digits as its factorization.

557196859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402000, while the sum is 55.

The square root of 557196859 is about 23605.0176657422. The cubic root of 557196859 is about 822.8794559833.

The spelling of 557196859 in words is "five hundred fifty-seven million, one hundred ninety-six thousand, eight hundred fifty-nine".