68844833 has 2 divisors, whose sum is σ = 68844834. Its totient is φ = 68844832.

The previous prime is 68844779. The next prime is 68844851. The reversal of 68844833 is 33844886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68840209 + 4624 = 8297^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 68844833 - 2¹⁰ = 68843809 is a prime.

It is a super-2 number, since 2×68844833² = 9479222061595778, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68844133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34422416 + 34422417.

It is an arithmetic number, because the mean of its divisors is an integer number (34422417).

Almost surely, 2^68844833 is an apocalyptic number.

It is an amenable number.

68844833 is a deficient number, since it is larger than the sum of its proper divisors (1).

68844833 is an equidigital number, since it uses as much as digits as its factorization.

68844833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 44.

The square root of 68844833 is about 8297.2786502564. The cubic root of 68844833 is about 409.8489092296.

The spelling of 68844833 in words is "sixty-eight million, eight hundred forty-four thousand, eight hundred thirty-three".