68855299 has 2 divisors, whose sum is σ = 68855300. Its totient is φ = 68855298.

The previous prime is 68855291. The next prime is 68855323. The reversal of 68855299 is 99255886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68855299 - 2³ = 68855291 is a prime.

It is not a weakly prime, because it can be changed into another prime (68855291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34427649 + 34427650.

It is an arithmetic number, because the mean of its divisors is an integer number (34427650).

Almost surely, 2^68855299 is an apocalyptic number.

68855299 is a deficient number, since it is larger than the sum of its proper divisors (1).

68855299 is an equidigital number, since it uses as much as digits as its factorization.

68855299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 52.

The square root of 68855299 is about 8297.9093150022. The cubic root of 68855299 is about 409.8696770014.

The spelling of 68855299 in words is "sixty-eight million, eight hundred fifty-five thousand, two hundred ninety-nine".