68717611 has 2 divisors, whose sum is σ = 68717612. Its totient is φ = 68717610.

The previous prime is 68717603. The next prime is 68717657. The reversal of 68717611 is 11671786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68717611 - 2³ = 68717603 is a prime.

It is a super-2 number, since 2×68717611² = 9444220123094642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68717711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34358805 + 34358806.

It is an arithmetic number, because the mean of its divisors is an integer number (34358806).

Almost surely, 2^68717611 is an apocalyptic number.

68717611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68717611 is an equidigital number, since it uses as much as digits as its factorization.

68717611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 37.

The square root of 68717611 is about 8289.6086156103. The cubic root of 68717611 is about 409.5962930821.

The spelling of 68717611 in words is "sixty-eight million, seven hundred seventeen thousand, six hundred eleven".