4778433757 has 2 divisors, whose sum is σ = 4778433758. Its totient is φ = 4778433756.

The previous prime is 4778433743. The next prime is 4778433761. The reversal of 4778433757 is 7573348774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3138912676 + 1639521081 = 56026^2 + 40491^2 .

It is a cyclic number.

It is not a de Polignac number, because 4778433757 - 2¹⁵ = 4778400989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4778433698 and 4778433707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778433707) 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, 2389216878 + 2389216879.

It is an arithmetic number, because the mean of its divisors is an integer number (2389216879).

Almost surely, 2^4778433757 is an apocalyptic number.

It is an amenable number.

4778433757 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778433757 is an equidigital number, since it uses as much as digits as its factorization.

4778433757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13829760, while the sum is 55.

The square root of 4778433757 is about 69126.2161339676. The cubic root of 4778433757 is about 1684.3351939526.

The spelling of 4778433757 in words is "four billion, seven hundred seventy-eight million, four hundred thirty-three thousand, seven hundred fifty-seven".