6228126857 has 2 divisors, whose sum is σ = 6228126858. Its totient is φ = 6228126856.

The previous prime is 6228126763. The next prime is 6228126881. The reversal of 6228126857 is 7586218226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5110963081 + 1117163776 = 71491^2 + 33424^2 .

It is a cyclic number.

It is not a de Polignac number, because 6228126857 - 2¹⁰ = 6228125833 is a prime.

It is not a weakly prime, because it can be changed into another prime (6228126757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3114063428 + 3114063429.

It is an arithmetic number, because the mean of its divisors is an integer number (3114063429).

Almost surely, 2^6228126857 is an apocalyptic number.

It is an amenable number.

6228126857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6228126857 is an equidigital number, since it uses as much as digits as its factorization.

6228126857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The square root of 6228126857 is about 78918.4823536287. The cubic root of 6228126857 is about 1839.8644017315.

The spelling of 6228126857 in words is "six billion, two hundred twenty-eight million, one hundred twenty-six thousand, eight hundred fifty-seven".