556117227847 has 4 divisors (see below), whose sum is σ = 556134653160. Its totient is φ = 556099802536.

The previous prime is 556117227791. The next prime is 556117227889. The reversal of 556117227847 is 748722711655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556117227847 - 2⁷ = 556117227719 is a prime.

It is a super-2 number, since 2×556117227847² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556114227847) 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, 8664697 + ... + 8728642.

It is an arithmetic number, because the mean of its divisors is an integer number (139033663290).

Almost surely, 2^556117227847 is an apocalyptic number.

556117227847 is a deficient number, since it is larger than the sum of its proper divisors (17425313).

556117227847 is a wasteful number, since it uses less digits than its factorization.

556117227847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17425312.

The product of its digits is 6585600, while the sum is 55.

The spelling of 556117227847 in words is "five hundred fifty-six billion, one hundred seventeen million, two hundred twenty-seven thousand, eight hundred forty-seven".