68997011 has 2 divisors, whose sum is σ = 68997012. Its totient is φ = 68997010.

The previous prime is 68997007. The next prime is 68997017. The reversal of 68997011 is 11079986.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68997011 - 2² = 68997007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68997011.

It is not a weakly prime, because it can be changed into another prime (68997017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34498505 + 34498506.

It is an arithmetic number, because the mean of its divisors is an integer number (34498506).

Almost surely, 2^68997011 is an apocalyptic number.

68997011 is a deficient number, since it is larger than the sum of its proper divisors (1).

68997011 is an equidigital number, since it uses as much as digits as its factorization.

68997011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 68997011 is about 8306.4439443122. The cubic root of 68997011 is about 410.1506703820.

The spelling of 68997011 in words is "sixty-eight million, nine hundred ninety-seven thousand, eleven".