68775283 has 2 divisors, whose sum is σ = 68775284. Its totient is φ = 68775282.

The previous prime is 68775277. The next prime is 68775323. The reversal of 68775283 is 38257786.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68775283 is a prime.

It is not a weakly prime, because it can be changed into another prime (68775253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34387641 + 34387642.

It is an arithmetic number, because the mean of its divisors is an integer number (34387642).

Almost surely, 2^68775283 is an apocalyptic number.

68775283 is a deficient number, since it is larger than the sum of its proper divisors (1).

68775283 is an equidigital number, since it uses as much as digits as its factorization.

68775283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 68775283 is about 8293.0864580083. The cubic root of 68775283 is about 409.7108470843.

The spelling of 68775283 in words is "sixty-eight million, seven hundred seventy-five thousand, two hundred eighty-three".