68118797 has 2 divisors, whose sum is σ = 68118798. Its totient is φ = 68118796.

The previous prime is 68118737. The next prime is 68118823. The reversal of 68118797 is 79781186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 5692996 = 7901^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 68118797 - 2⁶ = 68118733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68118707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34059398 + 34059399.

It is an arithmetic number, because the mean of its divisors is an integer number (34059399).

Almost surely, 2^68118797 is an apocalyptic number.

It is an amenable number.

68118797 is a deficient number, since it is larger than the sum of its proper divisors (1).

68118797 is an equidigital number, since it uses as much as digits as its factorization.

68118797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 47.

The square root of 68118797 is about 8253.4112341504. The cubic root of 68118797 is about 408.4030622926.

The spelling of 68118797 in words is "sixty-eight million, one hundred eighteen thousand, seven hundred ninety-seven".