888781082117 has 2 divisors, whose sum is σ = 888781082118. Its totient is φ = 888781082116.

The previous prime is 888781082093. The next prime is 888781082131. The reversal of 888781082117 is 711280187888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478772660356 + 410008421761 = 691934^2 + 640319^2 .

It is a cyclic number.

It is not a de Polignac number, because 888781082117 - 2⁸ = 888781081861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888781082317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444390541058 + 444390541059.

It is an arithmetic number, because the mean of its divisors is an integer number (444390541059).

Almost surely, 2^888781082117 is an apocalyptic number.

It is an amenable number.

888781082117 is a deficient number, since it is larger than the sum of its proper divisors (1).

888781082117 is an equidigital number, since it uses as much as digits as its factorization.

888781082117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3211264, while the sum is 59.

The spelling of 888781082117 in words is "eight hundred eighty-eight billion, seven hundred eighty-one million, eighty-two thousand, one hundred seventeen".