68882189 has 2 divisors, whose sum is σ = 68882190. Its totient is φ = 68882188.

The previous prime is 68882179. The next prime is 68882207. The reversal of 68882189 is 98128886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56400100 + 12482089 = 7510^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 68882189 - 2⁸ = 68881933 is a prime.

It is a super-2 number, since 2×68882189² = 9489511922863442, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68882129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34441094 + 34441095.

It is an arithmetic number, because the mean of its divisors is an integer number (34441095).

Almost surely, 2^68882189 is an apocalyptic number.

It is an amenable number.

68882189 is a deficient number, since it is larger than the sum of its proper divisors (1).

68882189 is an equidigital number, since it uses as much as digits as its factorization.

68882189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 50.

The square root of 68882189 is about 8299.5294444926. The cubic root of 68882189 is about 409.9230254067.

The spelling of 68882189 in words is "sixty-eight million, eight hundred eighty-two thousand, one hundred eighty-nine".