214155116797 has 2 divisors, whose sum is σ = 214155116798. Its totient is φ = 214155116796.

The previous prime is 214155116761. The next prime is 214155116831. The reversal of 214155116797 is 797611551412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198304558596 + 15850558201 = 445314^2 + 125899^2 .

It is a cyclic number.

It is not a de Polignac number, because 214155116797 - 2¹¹ = 214155114749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214155116797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214155116717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107077558398 + 107077558399.

It is an arithmetic number, because the mean of its divisors is an integer number (107077558399).

Almost surely, 2^214155116797 is an apocalyptic number.

It is an amenable number.

214155116797 is a deficient number, since it is larger than the sum of its proper divisors (1).

214155116797 is an equidigital number, since it uses as much as digits as its factorization.

214155116797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 49.

The spelling of 214155116797 in words is "two hundred fourteen billion, one hundred fifty-five million, one hundred sixteen thousand, seven hundred ninety-seven".