4681277857 has 2 divisors, whose sum is σ = 4681277858. Its totient is φ = 4681277856.

The previous prime is 4681277849. The next prime is 4681277863. The reversal of 4681277857 is 7587721864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3562776721 + 1118501136 = 59689^2 + 33444^2 .

It is a cyclic number.

It is not a de Polignac number, because 4681277857 - 2³ = 4681277849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4681277798 and 4681277807.

It is not a weakly prime, because it can be changed into another prime (4681277897) 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, 2340638928 + 2340638929.

It is an arithmetic number, because the mean of its divisors is an integer number (2340638929).

Almost surely, 2^4681277857 is an apocalyptic number.

It is an amenable number.

4681277857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4681277857 is an equidigital number, since it uses as much as digits as its factorization.

4681277857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5268480, while the sum is 55.

The square root of 4681277857 is about 68419.8644912426. The cubic root of 4681277857 is about 1672.8415482008.

The spelling of 4681277857 in words is "four billion, six hundred eighty-one million, two hundred seventy-seven thousand, eight hundred fifty-seven".