556668079 has 12 divisors (see below), whose sum is σ = 628690680. Its totient is φ = 488241600.

The previous prime is 556668053. The next prime is 556668083. The reversal of 556668079 is 970866655.

It is not a de Polignac number, because 556668079 - 2²¹ = 554570927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556668019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420739 + ... + 422059.

It is an arithmetic number, because the mean of its divisors is an integer number (52390890).

Almost surely, 2^556668079 is an apocalyptic number.

556668079 is a deficient number, since it is larger than the sum of its proper divisors (72022601).

556668079 is an equidigital number, since it uses as much as digits as its factorization.

556668079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 556668079 is about 23593.8144224286. The cubic root of 556668079 is about 822.6190693066.

The spelling of 556668079 in words is "five hundred fifty-six million, six hundred sixty-eight thousand, seventy-nine".