16875257857 has 2 divisors, whose sum is σ = 16875257858. Its totient is φ = 16875257856.

The previous prime is 16875257809. The next prime is 16875257863. The reversal of 16875257857 is 75875257861.

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., 16843886656 + 31371201 = 129784^2 + 5601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16875257857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16875257795 and 16875257804.

It is not a weakly prime, because it can be changed into another prime (16875257057) 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, 8437628928 + 8437628929.

It is an arithmetic number, because the mean of its divisors is an integer number (8437628929).

It is a Proth number, since it is equal to 32187 ⋅ 2¹⁹ + 1 and 32187 < 2¹⁹.

Almost surely, 2^16875257857 is an apocalyptic number.

It is an amenable number.

16875257857 is a deficient number, since it is larger than the sum of its proper divisors (1).

16875257857 is an equidigital number, since it uses as much as digits as its factorization.

16875257857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928000, while the sum is 61.

The spelling of 16875257857 in words is "sixteen billion, eight hundred seventy-five million, two hundred fifty-seven thousand, eight hundred fifty-seven".