68983697 has 2 divisors, whose sum is σ = 68983698. Its totient is φ = 68983696.

The previous prime is 68983679. The next prime is 68983723. The reversal of 68983697 is 79638986.

Together with previous prime (68983679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63984001 + 4999696 = 7999^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 68983697 - 2⁸ = 68983441 is a prime.

It is not a weakly prime, because it can be changed into another prime (68983667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34491848 + 34491849.

It is an arithmetic number, because the mean of its divisors is an integer number (34491849).

Almost surely, 2^68983697 is an apocalyptic number.

It is an amenable number.

68983697 is a deficient number, since it is larger than the sum of its proper divisors (1).

68983697 is an equidigital number, since it uses as much as digits as its factorization.

68983697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 68983697 is about 8305.6424796641. The cubic root of 68983697 is about 410.1242871265.

The spelling of 68983697 in words is "sixty-eight million, nine hundred eighty-three thousand, six hundred ninety-seven".