63706397207 has 2 divisors, whose sum is σ = 63706397208. Its totient is φ = 63706397206.

The previous prime is 63706397191. The next prime is 63706397273. The reversal of 63706397207 is 70279360736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63706397207 - 2⁴ = 63706397191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63706397297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31853198603 + 31853198604.

It is an arithmetic number, because the mean of its divisors is an integer number (31853198604).

Almost surely, 2^63706397207 is an apocalyptic number.

63706397207 is a deficient number, since it is larger than the sum of its proper divisors (1).

63706397207 is an equidigital number, since it uses as much as digits as its factorization.

63706397207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000376, while the sum is 50.

The spelling of 63706397207 in words is "sixty-three billion, seven hundred six million, three hundred ninety-seven thousand, two hundred seven".