664087777714301 has 2 divisors, whose sum is σ = 664087777714302. Its totient is φ = 664087777714300.

The previous prime is 664087777714267. The next prime is 664087777714327. The reversal of 664087777714301 is 103417777780466.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367054789438276 + 297032988276025 = 19158674^2 + 17234645^2 .

It is a cyclic number.

It is not a de Polignac number, because 664087777714301 - 2¹⁴ = 664087777697917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664087777714391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332043888857150 + 332043888857151.

It is an arithmetic number, because the mean of its divisors is an integer number (332043888857151).

Almost surely, 2^{664087777714301} is an apocalyptic number.

It is an amenable number.

664087777714301 is a deficient number, since it is larger than the sum of its proper divisors (1).

664087777714301 is an equidigital number, since it uses as much as digits as its factorization.

664087777714301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 232339968, while the sum is 68.

The spelling of 664087777714301 in words is "six hundred sixty-four trillion, eighty-seven billion, seven hundred seventy-seven million, seven hundred fourteen thousand, three hundred one".