670268212777 has 2 divisors, whose sum is σ = 670268212778. Its totient is φ = 670268212776.

The previous prime is 670268212763. The next prime is 670268212847. The reversal of 670268212777 is 777212862076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354591666576 + 315676546201 = 595476^2 + 561851^2 .

It is a cyclic number.

It is not a de Polignac number, because 670268212777 - 2²⁷ = 670133995049 is a prime.

It is not a weakly prime, because it can be changed into another prime (670268212727) 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, 335134106388 + 335134106389.

It is an arithmetic number, because the mean of its divisors is an integer number (335134106389).

Almost surely, 2^670268212777 is an apocalyptic number.

It is an amenable number.

670268212777 is a deficient number, since it is larger than the sum of its proper divisors (1).

670268212777 is an equidigital number, since it uses as much as digits as its factorization.

670268212777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5531904, while the sum is 55.

The spelling of 670268212777 in words is "six hundred seventy billion, two hundred sixty-eight million, two hundred twelve thousand, seven hundred seventy-seven".