557430877 has 2 divisors, whose sum is σ = 557430878. Its totient is φ = 557430876.

The previous prime is 557430859. The next prime is 557430883. The reversal of 557430877 is 778034755.

557430877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349465636 + 207965241 = 18694^2 + 14421^2 .

It is a cyclic number.

It is not a de Polignac number, because 557430877 - 2¹¹ = 557428829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557430077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278715438 + 278715439.

It is an arithmetic number, because the mean of its divisors is an integer number (278715439).

Almost surely, 2^557430877 is an apocalyptic number.

It is an amenable number.

557430877 is a deficient number, since it is larger than the sum of its proper divisors (1).

557430877 is an equidigital number, since it uses as much as digits as its factorization.

557430877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 823200, while the sum is 46.

The square root of 557430877 is about 23609.9740999434. The cubic root of 557430877 is about 822.9946406788.

The spelling of 557430877 in words is "five hundred fifty-seven million, four hundred thirty thousand, eight hundred seventy-seven".