68829911 has 2 divisors, whose sum is σ = 68829912. Its totient is φ = 68829910.

The previous prime is 68829883. The next prime is 68829947. The reversal of 68829911 is 11992886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68829911 - 2¹⁴ = 68813527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68829511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34414955 + 34414956.

It is an arithmetic number, because the mean of its divisors is an integer number (34414956).

Almost surely, 2^68829911 is an apocalyptic number.

68829911 is a deficient number, since it is larger than the sum of its proper divisors (1).

68829911 is an equidigital number, since it uses as much as digits as its factorization.

68829911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 44.

The square root of 68829911 is about 8296.3793910356. The cubic root of 68829911 is about 409.8192957395.

The spelling of 68829911 in words is "sixty-eight million, eight hundred twenty-nine thousand, nine hundred eleven".