4678440757 has 2 divisors, whose sum is σ = 4678440758. Its totient is φ = 4678440756.

The previous prime is 4678440743. The next prime is 4678440763. The reversal of 4678440757 is 7570448764.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3627773361 + 1050667396 = 60231^2 + 32414^2 .

It is a cyclic number.

It is not a de Polignac number, because 4678440757 - 2³¹ = 2530957109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4678440707) 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 as a sum of consecutive naturals, namely, 2339220378 + 2339220379.

It is an arithmetic number, because the mean of its divisors is an integer number (2339220379).

Almost surely, 2^4678440757 is an apocalyptic number.

It is an amenable number.

4678440757 is a deficient number, since it is larger than the sum of its proper divisors (1).

4678440757 is an equidigital number, since it uses as much as digits as its factorization.

4678440757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5268480, while the sum is 52.

The square root of 4678440757 is about 68399.1283350892. The cubic root of 4678440757 is about 1672.5035366575.

The spelling of 4678440757 in words is "four billion, six hundred seventy-eight million, four hundred forty thousand, seven hundred fifty-seven".