68104577 has 2 divisors, whose sum is σ = 68104578. Its totient is φ = 68104576.

The previous prime is 68104513. The next prime is 68104651. The reversal of 68104577 is 77540186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67749361 + 355216 = 8231^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 68104577 - 2⁶ = 68104513 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68104577.

It is not a weakly prime, because it can be changed into another prime (68104507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34052288 + 34052289.

It is an arithmetic number, because the mean of its divisors is an integer number (34052289).

Almost surely, 2^68104577 is an apocalyptic number.

It is an amenable number.

68104577 is a deficient number, since it is larger than the sum of its proper divisors (1).

68104577 is an equidigital number, since it uses as much as digits as its factorization.

68104577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 68104577 is about 8252.5497272055. The cubic root of 68104577 is about 408.3746418666.

The spelling of 68104577 in words is "sixty-eight million, one hundred four thousand, five hundred seventy-seven".