6784080257 has 2 divisors, whose sum is σ = 6784080258. Its totient is φ = 6784080256.

The previous prime is 6784080239. The next prime is 6784080313. The reversal of 6784080257 is 7520804876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5037592576 + 1746487681 = 70976^2 + 41791^2 .

It is a cyclic number.

It is not a de Polignac number, because 6784080257 - 2¹⁰ = 6784079233 is a prime.

It is not a weakly prime, because it can be changed into another prime (6784080557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3392040128 + 3392040129.

It is an arithmetic number, because the mean of its divisors is an integer number (3392040129).

Almost surely, 2^6784080257 is an apocalyptic number.

It is an amenable number.

6784080257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6784080257 is an equidigital number, since it uses as much as digits as its factorization.

6784080257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 6784080257 is about 82365.5283295142. The cubic root of 6784080257 is about 1893.0568615728.

The spelling of 6784080257 in words is "six billion, seven hundred eighty-four million, eighty thousand, two hundred fifty-seven".