68455697 has 2 divisors, whose sum is σ = 68455698. Its totient is φ = 68455696.

The previous prime is 68455669. The next prime is 68455721. The reversal of 68455697 is 79655486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60155536 + 8300161 = 7756^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 68455697 - 2¹² = 68451601 is a prime.

It is not a weakly prime, because it can be changed into another prime (68455637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34227848 + 34227849.

It is an arithmetic number, because the mean of its divisors is an integer number (34227849).

Almost surely, 2^68455697 is an apocalyptic number.

It is an amenable number.

68455697 is a deficient number, since it is larger than the sum of its proper divisors (1).

68455697 is an equidigital number, since it uses as much as digits as its factorization.

68455697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 68455697 is about 8273.7958036200. The cubic root of 68455697 is about 409.0752447530.

The spelling of 68455697 in words is "sixty-eight million, four hundred fifty-five thousand, six hundred ninety-seven".