4875618857 has 2 divisors, whose sum is σ = 4875618858. Its totient is φ = 4875618856.

The previous prime is 4875618851. The next prime is 4875618889. The reversal of 4875618857 is 7588165784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3165300121 + 1710318736 = 56261^2 + 41356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4875618857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4875618796 and 4875618805.

It is not a weakly prime, because it can be changed into another prime (4875618851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2437809428 + 2437809429.

It is an arithmetic number, because the mean of its divisors is an integer number (2437809429).

Almost surely, 2^4875618857 is an apocalyptic number.

It is an amenable number.

4875618857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4875618857 is an equidigital number, since it uses as much as digits as its factorization.

4875618857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15052800, while the sum is 59.

The square root of 4875618857 is about 69825.6318052332. The cubic root of 4875618857 is about 1695.6774680418.

The spelling of 4875618857 in words is "four billion, eight hundred seventy-five million, six hundred eighteen thousand, eight hundred fifty-seven".