4446755857 has 8 divisors (see below), whose sum is σ = 4533930792. Its totient is φ = 4360041600.

The previous prime is 4446755827. The next prime is 4446755881. The reversal of 4446755857 is 7585576444.

It is a Cunningham number, because it is equal to 66684²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 4446755856 = 1^2 + 66684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4446755857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4446755798 and 4446755807.

It is not an unprimeable number, because it can be changed into a prime (4446755827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95644 + ... + 134317.

It is an arithmetic number, because the mean of its divisors is an integer number (566741349).

Almost surely, 2^4446755857 is an apocalyptic number.

It is an amenable number.

4446755857 is a deficient number, since it is larger than the sum of its proper divisors (87174935).

4446755857 is a wasteful number, since it uses less digits than its factorization.

4446755857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230339.

The product of its digits is 18816000, while the sum is 55.

The square root of 4446755857 is about 66684.0000074981. Note that the first 5 decimals coincide. The cubic root of 4446755857 is about 1644.4263551687.

The spelling of 4446755857 in words is "four billion, four hundred forty-six million, seven hundred fifty-five thousand, eight hundred fifty-seven".