670776015772897 has 2 divisors, whose sum is σ = 670776015772898. Its totient is φ = 670776015772896.

The previous prime is 670776015772873. The next prime is 670776015772909. The reversal of 670776015772897 is 798277510677076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665765084275776 + 5010931497121 = 25802424^2 + 2238511^2 .

It is a cyclic number.

It is not a de Polignac number, because 670776015772897 - 2¹¹ = 670776015770849 is a prime.

It is not a weakly prime, because it can be changed into another prime (670776015752897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335388007886448 + 335388007886449.

It is an arithmetic number, because the mean of its divisors is an integer number (335388007886449).

Almost surely, 2^{670776015772897} is an apocalyptic number.

It is an amenable number.

670776015772897 is a deficient number, since it is larger than the sum of its proper divisors (1).

670776015772897 is an equidigital number, since it uses as much as digits as its factorization.

670776015772897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3049462080, while the sum is 79.

The spelling of 670776015772897 in words is "six hundred seventy trillion, seven hundred seventy-six billion, fifteen million, seven hundred seventy-two thousand, eight hundred ninety-seven".