557413778 has 8 divisors (see below), whose sum is σ = 856513980. Its totient is φ = 271909120.

The previous prime is 557413771. The next prime is 557413781. The reversal of 557413778 is 877314755.

It can be written as a sum of positive squares in 2 ways, for example, as 416445649 + 140968129 = 20407^2 + 11873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (557413771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3398783 + ... + 3398946.

Almost surely, 2^557413778 is an apocalyptic number.

557413778 is a deficient number, since it is larger than the sum of its proper divisors (299100202).

557413778 is a wasteful number, since it uses less digits than its factorization.

557413778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797772.

The product of its digits is 823200, while the sum is 47.

The square root of 557413778 is about 23609.6119832580. The cubic root of 557413778 is about 822.9862255672.

The spelling of 557413778 in words is "five hundred fifty-seven million, four hundred thirteen thousand, seven hundred seventy-eight".