388890108071 has 2 divisors, whose sum is σ = 388890108072. Its totient is φ = 388890108070.

The previous prime is 388890108059. The next prime is 388890108097. The reversal of 388890108071 is 170801098883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388890108071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388890108001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194445054035 + 194445054036.

It is an arithmetic number, because the mean of its divisors is an integer number (194445054036).

Almost surely, 2^388890108071 is an apocalyptic number.

388890108071 is a deficient number, since it is larger than the sum of its proper divisors (1).

388890108071 is an equidigital number, since it uses as much as digits as its factorization.

388890108071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 53.

The spelling of 388890108071 in words is "three hundred eighty-eight billion, eight hundred ninety million, one hundred eight thousand, seventy-one".