188868113417 has 2 divisors, whose sum is σ = 188868113418. Its totient is φ = 188868113416.

The previous prime is 188868113411. The next prime is 188868113479. The reversal of 188868113417 is 714311868881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128815670281 + 60052443136 = 358909^2 + 245056^2 .

It is a cyclic number.

It is not a de Polignac number, because 188868113417 - 2¹⁶ = 188868047881 is a prime.

It is not a weakly prime, because it can be changed into another prime (188868113411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94434056708 + 94434056709.

It is an arithmetic number, because the mean of its divisors is an integer number (94434056709).

Almost surely, 2^188868113417 is an apocalyptic number.

It is an amenable number.

188868113417 is a deficient number, since it is larger than the sum of its proper divisors (1).

188868113417 is an equidigital number, since it uses as much as digits as its factorization.

188868113417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 56.

The spelling of 188868113417 in words is "one hundred eighty-eight billion, eight hundred sixty-eight million, one hundred thirteen thousand, four hundred seventeen".