63780600071 has 2 divisors, whose sum is σ = 63780600072. Its totient is φ = 63780600070.

The previous prime is 63780600061. The next prime is 63780600157. The reversal of 63780600071 is 17000608736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63780600071 - 2¹⁸ = 63780337927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63780599998 and 63780600034.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63780600001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31890300035 + 31890300036.

It is an arithmetic number, because the mean of its divisors is an integer number (31890300036).

Almost surely, 2^63780600071 is an apocalyptic number.

63780600071 is a deficient number, since it is larger than the sum of its proper divisors (1).

63780600071 is an equidigital number, since it uses as much as digits as its factorization.

63780600071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 63780600071 in words is "sixty-three billion, seven hundred eighty million, six hundred thousand, seventy-one".