16874282857 has 2 divisors, whose sum is σ = 16874282858. Its totient is φ = 16874282856.

The previous prime is 16874282849. The next prime is 16874282897. The reversal of 16874282857 is 75828247861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16191035536 + 683247321 = 127244^2 + 26139^2 .

It is a cyclic number.

It is not a de Polignac number, because 16874282857 - 2³ = 16874282849 is a prime.

It is not a weakly prime, because it can be changed into another prime (16874282897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437141428 + 8437141429.

It is an arithmetic number, because the mean of its divisors is an integer number (8437141429).

Almost surely, 2^16874282857 is an apocalyptic number.

It is an amenable number.

16874282857 is a deficient number, since it is larger than the sum of its proper divisors (1).

16874282857 is an equidigital number, since it uses as much as digits as its factorization.

16874282857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12042240, while the sum is 58.

The spelling of 16874282857 in words is "sixteen billion, eight hundred seventy-four million, two hundred eighty-two thousand, eight hundred fifty-seven".