64700967598207 has 2 divisors, whose sum is σ = 64700967598208. Its totient is φ = 64700967598206.

The previous prime is 64700967598159. The next prime is 64700967598213. The reversal of 64700967598207 is 70289576900746.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64700967598207 - 2¹⁵ = 64700967565439 is a prime.

It is a super-2 number, since 2×64700967598207² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64700967598237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32350483799103 + 32350483799104.

It is an arithmetic number, because the mean of its divisors is an integer number (32350483799104).

Almost surely, 2^{64700967598207} is an apocalyptic number.

64700967598207 is a deficient number, since it is larger than the sum of its proper divisors (1).

64700967598207 is an equidigital number, since it uses as much as digits as its factorization.

64700967598207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320060160, while the sum is 70.

The spelling of 64700967598207 in words is "sixty-four trillion, seven hundred billion, nine hundred sixty-seven million, five hundred ninety-eight thousand, two hundred seven".