556804075777 has 4 divisors (see below), whose sum is σ = 556848807856. Its totient is φ = 556759343700.

The previous prime is 556804075727. The next prime is 556804075813. The reversal of 556804075777 is 777570408655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556804075777 - 2¹⁵ = 556804043009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556804075727) 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, 22347363 + ... + 22372264.

It is an arithmetic number, because the mean of its divisors is an integer number (139212201964).

Almost surely, 2^556804075777 is an apocalyptic number.

It is an amenable number.

556804075777 is a deficient number, since it is larger than the sum of its proper divisors (44732079).

556804075777 is a wasteful number, since it uses less digits than its factorization.

556804075777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44732078.

The product of its (nonzero) digits is 57624000, while the sum is 61.

The spelling of 556804075777 in words is "five hundred fifty-six billion, eight hundred four million, seventy-five thousand, seven hundred seventy-seven".