68897527 has 2 divisors, whose sum is σ = 68897528. Its totient is φ = 68897526.

The previous prime is 68897513. The next prime is 68897539. The reversal of 68897527 is 72579886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68897527 - 2⁷ = 68897399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68897557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34448763 + 34448764.

It is an arithmetic number, because the mean of its divisors is an integer number (34448764).

Almost surely, 2^68897527 is an apocalyptic number.

68897527 is a deficient number, since it is larger than the sum of its proper divisors (1).

68897527 is an equidigital number, since it uses as much as digits as its factorization.

68897527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The square root of 68897527 is about 8300.4534213499. The cubic root of 68897527 is about 409.9534490079.

The spelling of 68897527 in words is "sixty-eight million, eight hundred ninety-seven thousand, five hundred twenty-seven".