4778886888757 has 2 divisors, whose sum is σ = 4778886888758. Its totient is φ = 4778886888756.

The previous prime is 4778886888749. The next prime is 4778886888781. The reversal of 4778886888757 is 7578886888774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2818399658481 + 1960487230276 = 1678809^2 + 1400174^2 .

It is a cyclic number.

It is not a de Polignac number, because 4778886888757 - 2³ = 4778886888749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778886828757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389443444378 + 2389443444379.

It is an arithmetic number, because the mean of its divisors is an integer number (2389443444379).

Almost surely, 2^{4778886888757} is an apocalyptic number.

It is an amenable number.

4778886888757 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778886888757 is an equidigital number, since it uses as much as digits as its factorization.

4778886888757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75528929280, while the sum is 91.

The spelling of 4778886888757 in words is "four trillion, seven hundred seventy-eight billion, eight hundred eighty-six million, eight hundred eighty-eight thousand, seven hundred fifty-seven".