556911677 has 8 divisors (see below), whose sum is σ = 642772992. Its totient is φ = 472626000.

The previous prime is 556911659. The next prime is 556911689. The reversal of 556911677 is 776119655.

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

It is not a de Polignac number, because 556911677 - 2⁶ = 556911613 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 (556911617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393149 + ... + 394562.

It is an arithmetic number, because the mean of its divisors is an integer number (80346624).

Almost surely, 2^556911677 is an apocalyptic number.

It is an amenable number.

556911677 is a deficient number, since it is larger than the sum of its proper divisors (85861315).

556911677 is a wasteful number, since it uses less digits than its factorization.

556911677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787819.

The product of its digits is 396900, while the sum is 47.

The square root of 556911677 is about 23598.9761854196. The cubic root of 556911677 is about 822.7390445335.

The spelling of 556911677 in words is "five hundred fifty-six million, nine hundred eleven thousand, six hundred seventy-seven".