68280299 has 2 divisors, whose sum is σ = 68280300. Its totient is φ = 68280298.

The previous prime is 68280269. The next prime is 68280341. The reversal of 68280299 is 99208286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68280299 - 2²⁴ = 51503083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68280209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34140149 + 34140150.

It is an arithmetic number, because the mean of its divisors is an integer number (34140150).

Almost surely, 2^68280299 is an apocalyptic number.

68280299 is a deficient number, since it is larger than the sum of its proper divisors (1).

68280299 is an equidigital number, since it uses as much as digits as its factorization.

68280299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 68280299 is about 8263.1893963530. The cubic root of 68280299 is about 408.7255667826.

The spelling of 68280299 in words is "sixty-eight million, two hundred eighty thousand, two hundred ninety-nine".