557863678 has 8 divisors (see below), whose sum is σ = 836954568. Its totient is φ = 278878824.

The previous prime is 557863673. The next prime is 557863679. The reversal of 557863678 is 876368755.

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

It is a super-2 number, since 2×557863678² = 622423766463375368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557863673) 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 in 3 ways as a sum of consecutive naturals, for example, 11701 + ... + 35392.

It is an arithmetic number, because the mean of its divisors is an integer number (104619321).

Almost surely, 2^557863678 is an apocalyptic number.

557863678 is a deficient number, since it is larger than the sum of its proper divisors (279090890).

557863678 is a wasteful number, since it uses less digits than its factorization.

557863678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53018.

The product of its digits is 8467200, while the sum is 55.

The square root of 557863678 is about 23619.1379605607. The cubic root of 557863678 is about 823.2075823324.

The spelling of 557863678 in words is "five hundred fifty-seven million, eight hundred sixty-three thousand, six hundred seventy-eight".