56777380333 has 2 divisors, whose sum is σ = 56777380334. Its totient is φ = 56777380332.

The previous prime is 56777380279. The next prime is 56777380367. The reversal of 56777380333 is 33308377765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36070745929 + 20706634404 = 189923^2 + 143898^2 .

It is a cyclic number.

It is not a de Polignac number, because 56777380333 - 2¹⁷ = 56777249261 is a prime.

It is a super-4 number, since 4×56777380333⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56777380133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28388690166 + 28388690167.

It is an arithmetic number, because the mean of its divisors is an integer number (28388690167).

Almost surely, 2^56777380333 is an apocalyptic number.

It is an amenable number.

56777380333 is a deficient number, since it is larger than the sum of its proper divisors (1).

56777380333 is an equidigital number, since it uses as much as digits as its factorization.

56777380333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 52.

The spelling of 56777380333 in words is "fifty-six billion, seven hundred seventy-seven million, three hundred eighty thousand, three hundred thirty-three".