4418078857 has 2 divisors, whose sum is σ = 4418078858. Its totient is φ = 4418078856.

The previous prime is 4418078851. The next prime is 4418078867. The reversal of 4418078857 is 7588708144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2935905856 + 1482173001 = 54184^2 + 38499^2 .

It is a cyclic number.

It is not a de Polignac number, because 4418078857 - 2²⁷ = 4283861129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4418078851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209039428 + 2209039429.

It is an arithmetic number, because the mean of its divisors is an integer number (2209039429).

Almost surely, 2^4418078857 is an apocalyptic number.

It is an amenable number.

4418078857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4418078857 is an equidigital number, since it uses as much as digits as its factorization.

4418078857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The square root of 4418078857 is about 66468.6306237762. The cubic root of 4418078857 is about 1640.8837762112.

The spelling of 4418078857 in words is "four billion, four hundred eighteen million, seventy-eight thousand, eight hundred fifty-seven".