56773562477867 has 4 divisors (see below), whose sum is σ = 56773582135896. Its totient is φ = 56773542819840.

The previous prime is 56773562477837. The next prime is 56773562477873. The reversal of 56773562477867 is 76877426537765.

It is a happy number.

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 56773562477867 - 2¹⁰ = 56773562476843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56773562477791 and 56773562477800.

It is not an unprimeable number, because it can be changed into a prime (56773562477837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4552853 + ... + 11587734.

It is an arithmetic number, because the mean of its divisors is an integer number (14193395533974).

Almost surely, 2^{56773562477867} is an apocalyptic number.

56773562477867 is a deficient number, since it is larger than the sum of its proper divisors (19658029).

56773562477867 is a wasteful number, since it uses less digits than its factorization.

56773562477867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19658028.

The product of its digits is 17425497600, while the sum is 80.

The spelling of 56773562477867 in words is "fifty-six trillion, seven hundred seventy-three billion, five hundred sixty-two million, four hundred seventy-seven thousand, eight hundred sixty-seven".