68799377 has 2 divisors, whose sum is σ = 68799378. Its totient is φ = 68799376.

The previous prime is 68799373. The next prime is 68799413. The reversal of 68799377 is 77399786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60824401 + 7974976 = 7799^2 + 2824^2 .

It is a cyclic number.

It is not a de Polignac number, because 68799377 - 2² = 68799373 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68799373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34399688 + 34399689.

It is an arithmetic number, because the mean of its divisors is an integer number (34399689).

Almost surely, 2^68799377 is an apocalyptic number.

It is an amenable number.

68799377 is a deficient number, since it is larger than the sum of its proper divisors (1).

68799377 is an equidigital number, since it uses as much as digits as its factorization.

68799377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 56.

The square root of 68799377 is about 8294.5389865863. The cubic root of 68799377 is about 409.7586860761.

The spelling of 68799377 in words is "sixty-eight million, seven hundred ninety-nine thousand, three hundred seventy-seven".